Patent Grant
12169234
This disclosure relates generally to a device for providing output to an individual associated with a hazardous environment and, in some non-limiting embodiments or aspects, to devices, methods, and computer program products for providing output to an individual associated with a hazardous environment based on data received from one or more other devices associated with the hazardous environment.
First responders (e.g., firefighters, paramedics, police officers, and/or the like) may arrive at a hazardous environment (e.g., a structure such as a house, office building, warehouse, and/or the like that may be on fire, may be filled with smoke or other harmful gases, and/or the like) and may enter the hazardous environment to address one or more hazards in the hazardous environment (e.g., to extinguish one or more fires, to retrieve one or more individuals in the hazardous environment, and/or the like). For example, first responders may arrive at an apartment building where a fire originated in a kitchen. In such an example, the first responders either individually or as one or more groups move through the hazardous environment to address the one or more hazards. When doing so, a first responder may be injured (e.g., may become unconscious, may be hurt and unable to move, and/or the like) and may need assistance exiting the hazardous environment. To request help, the first responder in distress may call (e.g., via a radio, shout, and/or the like) one or more other first responders to help the first responder in distress exit the hazardous environment.
However, the one or more other first responders may find it difficult to identify the location of or identify a path to travel to the location of the first responder in distress because of the hazards in the hazardous environment. For example, the one or more other first responders may take wrong turns or otherwise move away from the first responder in distress (e.g., by virtue of human error, because visibility is reduced, because there is too much noise in the hazardous environment, and/or the like) and, in turn, take longer to find the first responder in distress. This increases the danger to both the first responder in distress and other first responders by increasing time in and exposure to a potentially hazardous environment. Further, first responders in distress that are unconscious will not be able to provide an indication of their location to the one or more other first responders.
Accordingly, disclosed are devices, methods, and computer program products for providing output to an individual associated with a hazardous environment.
According to some non-limiting embodiments or aspects, provided is a safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more radio frequency (RF) signal parameters associated with the one or more messages, and output data associated with an indication of an alignment with a device in a transmit state based on the one or more RF signal parameters associated with the one or more messages, wherein the thermal imager is aligned with the one or more directional antennae such that an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
According to some non-limiting embodiments or aspects, provided is a safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine data associated with one or more parameters at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on values of the one or more parameters at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
According to some non-limiting embodiments or aspects, provided is a safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more power levels at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on the one or more power levels at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
According to some non-limiting embodiments or aspects, provided is a computer-implemented method, including: receiving, with at least one processor, data associated with a location of a device generated by a global position system (GPS) receiver and data associated with the location of the device from an inertial measurement unit (IMU) of the device; determining, with at least one processor, an absolute location of the device based on the data associated with the location of the device generated by the GPS receiver and the IMU of the device; receiving, with at least one processor, data associated with movement of the device from the absolute location to a relative location from the IMU; determining, with at least one processor, the relative location of the device based on the absolute location of the device and the movement of the device to the relative location; receiving, with at least one processor, data associated with an indication that a safety device is in a transmit state; and transmitting, with at least one processor, data associated with the relative location of the device.
According to some non-limiting embodiments or aspects, provided is a device including: at least one processor programmed and/or configured to: receive data associated with a location of a device generated by a global position system (GPS) receiver and data associated with the location of the device generated by an inertial measurement unit (IMU) of the device; determine an absolute location of the device based on the data associated with the location of the device generated by the GPS receiver and the IMU of the device; receive data associated with movement of the device from the absolute location to a relative location generated by the IMU; determine the relative location of the device based on the absolute location of the device and the movement of the device to the relative location; receive data associated with an indication that a safety device is in a transmit state; and transmit data associated with the relative location of the device.
According to some non-limiting embodiments or aspects, provided is a computer program product including at least one non-transitory computer-readable medium comprising one or more instructions that, when executed by at least one processor, cause the at least one processor to: receive data associated with a location of a device generated by global position system (GPS) receiver and data associated with the location of the device generated by an inertial measurement unit (IMU) of the device; determine an absolute location of the device based on the data associated with the location of the device generated by the GPS receiver and the IMU of the device; receive data associated with movement of the device from the absolute location to a relative location generated by the IMU; determine the relative location of the device based on the absolute location of the device and the movement of the device to the relative location; receive data associated with an indication that a safety device is in a transmit state; and transmit data associated with the relative location of the device.
According to some non-limiting embodiments or aspects, provided is a computer-implemented method, including: transmitting one or more messages including an indication that a device is in a transmit state, receiving a first location message from a first safety device in a search state, the first location message comprising: data associated with a location of the first safety device, and transmitting a coordination message to a second safety device based on receiving the first location message from the first safety device in the search state, the coordination message comprising: data associated with the location of the first safety device relative to the device in the transmit state.
According to some non-limiting embodiments or aspects, provided is a device including: at least one processor programmed and/or configured to: transmit one or more messages including an indication that a device is in a transmit state, receive a first location message from a first safety device in a search state, the first location message comprising: data associated with a location of the first safety device, and transmit a coordination message to a second safety device based on receiving the first location message from the first safety device in the search state, the coordination message comprising: data associated with the location of the first safety device relative to the device in the transmit state.
According to some non-limiting embodiments or aspects, provided is a computer program product including at least one non-transitory computer-readable medium comprising one or more instructions that, when executed by at least one processor, cause the at least one processor to: transmit one or more messages including an indication that a device is in a transmit state, receive a first location message from a first safety device in a search state, the first location message comprising: data associated with a location of the first safety device, and transmit a coordination message to a second safety device based on receiving the first location message from the first safety device in the search state, the coordination message comprising: data associated with the location of the first safety device relative to the device in the transmit state.
According to some non-limiting embodiments or aspects, provided is a computer-implemented method, comprising: receiving data associated with infrared light detected by a thermal imager included in a safety device, the data associated with the infrared light representing an image, determining one or more edges included in the image, the one or more edges corresponding to one or more edges of one or more objects in a field of view of the thermal imager; generating a colorized image based on the data associated with the infrared light; overlaying the one or more edges onto the colorized image; and outputting data associated with the colorized image that includes the one or more edges overlaid onto the colorized image.
According to some non-limiting embodiments or aspects, provided is a system for generating an image to be output by a device, the system comprising: at least one processor programmed or configured to: receive data associated with infrared light detected by a thermal imager included in a safety device, the data associated with the infrared light representing an image, determine one or more edges included in the image, the one or more edges corresponding to one or more edges of one or more objects in a field of view of the thermal imager; generate a colorized image based on the data associated with the infrared light; overlay the one or more edges onto the colorized image; and output data associated with the colorized image that includes the one or more edges overlaid onto the colorized image.
According to some non-limiting embodiments or aspects, provided is a computer program product comprising at least one non-transitory computer-readable medium comprising one or more instructions that, when executed by at least one processor, cause the at least one processor to: receive data associated with infrared light detected by a thermal imager included in a safety device, the data associated with the infrared light representing an image, determine one or more edges included in the image, the one or more edges corresponding to one or more edges of one or more objects in a field of view of the thermal imager; generate a colorized image based on the data associated with the infrared light; overlay the one or more edges onto the colorized image; and output data associated with the colorized image that includes the one or more edges overlaid onto the colorized image.
According to some non-limiting embodiments or aspects, provided is a safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more radio frequency (RF) signal parameters associated with the one or more messages, and output data associated with an indication of an alignment with a device in a transmit state based on the one or more RF signal parameters associated with the one or more messages, wherein the thermal imager is aligned with the one or more directional antennae such that an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
According to some non-limiting embodiments or aspects, provided is a safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine data associated with one or more parameters at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on values of the one or more parameters at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
According to some non-limiting embodiments or aspects, provided is a safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more power levels at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on the one or more power levels at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
Further non-limiting aspects or embodiments are set forth in the following numbered clauses:
Clause 1: A safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more radio frequency (RF) signal parameters associated with the one or more messages, and output data associated with an indication of an alignment with a device in a transmit state based on the one or more RF signal parameters associated with the one or more messages, wherein the thermal imager is aligned with the one or more directional antennae such that an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
Clause 2: The safety device of clause 1, further comprising: one or more omnidirectional antennae configured to transmit one or more messages at one or more power levels, the one or more messages including one or more of: data associated with a device identifier, data associated with a transmit period, data associated with a state of one or more devices in communication with the safety device, and data associated with one or more safety devices that are in a search state.
Clause 3: The safety device of clauses 1 or 2, wherein the one or more omnidirectional antennae comprises: a first omnidirectional antenna associated with a first radiation field; and a second omnidirectional antenna associated with a second radiation field, wherein the first omnidirectional antenna and the second omnidirectional antenna are positioned about the safety device such that the first radiation field does not correspond to the second radiation field.
Clause 4: The safety device of any of clauses 1-3, further comprising: a display device; wherein, when receiving the one or more messages via the one or more directional antennae, the one or more processors are programmed or configured to receive data associated with an indication of a heading toward a device in a transmit state, and wherein the one or more processors are further programmed or configured to: receive data associated with infrared light detected by the thermal imager, and output data associated with an image based on the indication of the heading toward the device in the transmit state and the infrared light detected by the thermal imager, the data associated with the image configured to cause the display device to display the image.
Clause 5: The safety device of any of clauses 1-4, further comprising: a display device; a digital camera configured to receive one or more digital images; wherein, when receiving the one or more messages via the one or more directional antennae, the one or more processors are programmed or configured to receive data associated with an indication of a heading toward a device in a transmit state, and wherein the one or more processors are further programmed or configured to: receive, from the thermal imager, data associated with infrared light detected by the thermal imager, receive, from the digital camera, data associated with one or more digital images captured by the digital camera, and output data associated with an image based on the indication of the heading toward the device in the transmit state, the infrared light detected by the thermal imager, and the one or more digital images captured by the digital camera, the data associated with the image configured to cause the display device to display the image.
Clause 6: The safety device of any of clauses 1-5, further comprising: a housing; a display device extending along a first plane; and a circuit board disposed in the housing, the circuit board including the thermal imager and the one or more directional antennae disposed thereon, the circuit board extending along a second plane that is associated with a common plane, wherein the first plane is parallel to or intersects the second plane at an angle of ±Θ° from the first plane to the second plane, wherein Θ is in a range of about 0 to 90.
Clause 7: The safety device of any of clauses 1-6, wherein the one or more directional antennae are included on the circuit board extending along the second plane, and wherein the boresight of the one or more directional antennae is substantially orthogonal to the second plane.
Clause 8: The safety device of any of clauses 1-7, further comprising: a signal-absorbing material included in the housing, the signal-absorbing material configured to absorb signals directed toward the one or more directional antennae in a direction that the one or more directional antennae are not configured to receive the signals from.
Clause 9: A safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine data associated with one or more parameters at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on values of the one or more parameters at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
Clause 10: The safety device of clause 9, further comprising: one or more omnidirectional antennae configured to transmit one or more messages at one or more power levels, the one or more messages including one or more of: data associated with a device identifier, data associated with a transmit period, data associated with a state of one or more devices in communication with the safety device, and data associated with one or more safety devices that are in a search state.
Clause 11: The safety device of clauses 9 or 10, wherein the one or more omnidirectional antennae comprises: a first omnidirectional antenna associated with a first radiation field; and a second omnidirectional antenna associated with a second radiation field, wherein the first omnidirectional antenna and the second omnidirectional antenna are positioned about the safety device such that the first radiation field does not correspond to the second radiation field.
Clause 12: The safety device of any of clauses 9-11, wherein the one or more omnidirectional antennae comprises: a first omnidirectional antenna associated with a first polarization; and a second omnidirectional antenna associated with a second polarization, wherein the first omnidirectional antenna is positioned in the safety device relative to the second omnidirectional antenna such that the first polarization is at least partially unaligned with the second polarization.
Clause 13: The safety device of any of clauses 9-12, further comprising: a display device; wherein, when receiving the one or more messages via the one or more directional antennae, the one or more processors are programmed or configured to receive data associated with an indication of a heading toward a device in a transmit state, and wherein the one or more processors are further programmed or configured to: receive data associated with infrared light detected by the thermal imager, and output data associated with an image based on the indication of the heading toward the device in the transmit state and the infrared light detected by the thermal imager, the data associated with the image configured to cause the display device to display the image.
Clause 14: The safety device of any of clauses 9-13, further comprising: a housing including a display device extending along a first plane; and a circuit board disposed in the housing, the circuit board including the thermal imager and a digital camera disposed thereon, the circuit board extending along a second plane, wherein the first plane is parallel to or intersects the second plane at an angle of ±Θ° from the first plane to the second plane, wherein Θ is in a range of about 0 to 90.
Clause 15: The safety device of any of clauses 9-14, wherein the one or more directional antennae are included on the circuit board extending along the second plane, and wherein the boresight of the one or more directional antennae is substantially orthogonal to the second plane.
Clause 16: A safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more power levels at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on the one or more power levels at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
Clause 17: The safety device of clause 16, wherein the optical axis of the thermal imager is aligned with the boresight of the one or more directional antennae such that a center portion of a field of view associated with the thermal imager intersects the boresight of the one or more directional antennae.
Clause 18: The safety device of clauses 16 or 17, further comprising: a radio frequency (RF) ranging sensor, and a display device; wherein the one or more processors are further programmed or configured to: receive, via the RF ranging sensor, data associated with a distance between a first location of the safety device and a second location of a device that is in a transmit state, receive data associated with infrared light detected by the thermal imager, and output data associated with an image based on the indication of the heading toward the device in the transmit state, the distance between the first location of the safety device and the second location of the device that is in the transmit state, and the infrared light detected by the thermal imager, the data associated with the image configured to cause the display device to display the image.
Clause 19: The safety device of any of clauses 16-18, further comprising: a housing; a display device extending along a first plane; and a circuit board disposed in the housing, the circuit board including the thermal imager and a digital camera disposed thereon, the circuit board extending along a second plane, wherein the first plane is parallel to or intersects the second plane at an angle of ±Θ° from the first plane to the second plane, wherein Θ is in a range of about 0 to 90.
Clause 20: The safety device of any of clauses 16-19, wherein the one or more directional antennae are included on the circuit board, and wherein the boresight of the one or more directional antennae is orthogonal to the second plane.
Clause 21: A device, comprising: at least one processor programmed or configured to: receive data associated with a location of a device generated by global position system (GPS) receiver and data associated with the location of the device generated by an inertial measurement unit (IMU) of the device; determine an absolute location of the device based on the data associated with the location of the device generated by the GPS receiver and the IMU of the device; receive data associated with movement of the device from the absolute location to a relative location generated by the IMU; determine the relative location of the device based on the absolute location of the device and the movement of the device to the relative location; receive data associated with an indication that a safety device is in a transmit state; and transmit data associated with the relative location of the device.
Clause 22: The device of clause 21, wherein, when receiving data associated with the indication that the safety device is in the transmit state, the at least one processor is programmed or configured to: receive the data associated with the indication that the safety device is in the transmit state from the safety device that is in the transmit state.
Clause 23: The device of clauses 21 or 22, wherein, when receiving data associated with the indication that the safety device is in the transmit state, the at least one processor is programmed or configured to: receive the data associated with the indication that the safety device is in the transmit state from a local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 24: The device of any of clauses 21-23, wherein, when receiving data associated with the indication that the safety device is in the transmit state, the at least one processor is programmed or configured to: receive the data associated with the indication that the safety device is in the transmit state from a central server.
Clause 25: The device of any of clauses 21-24, wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit the data associated with the relative location of the device to the safety device that is in the transmit state.
Clause 26: The device of any of clauses 21-25, wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit the data associated with the relative location of the device to a local monitoring device wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 27: The device of any of clauses 21-26, wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit the data associated with the relative location of the device to the safety device that is in the transmit state to a central server.
Clause 28: The device of any of clauses 21-27, wherein the device is the safety device in the transmit state, and wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit a plurality of messages, wherein a message of the plurality of messages comprises: data associated with a power level at which the at least one message was transmitted and the data associated with the relative location of the device.
Clause 29: The device of any of clauses 21-28, wherein the at least one processor is further programmed or configured to: receive one or more messages of a plurality of messages from the device in the transmit state via a short-range wireless communication connection; and transmit data associated with the one or more messages received from the device in the transmit state to a local monitoring device via the short-range wireless communication connection, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 30: The device of any of clauses 21-29, wherein the at least one processor is further programmed or configured to: receive one or more messages of a plurality of messages from the device in the transmit state via a short-range wireless communication connection; and transmit data associated with one or more messages received from the device in the transmit state to a central server via a communication network.
Clause 31: The device of any of clauses 21-30, wherein the safety device in the transmit state is a first safety device, and wherein the at least one processor is further programmed or configured to: receive data associated with a location of a second safety device, receive, via a ranging antenna, data associated with a first distance from a location of the device to a location of the first safety device, determine a second distance between the location of the second safety device and the location of the first safety device, and determine that the location of the device is closer to the location of the first safety device than the location second safety device based on: comparing the first distance to the second distance, and determining that the location of the device is closer to the location of the first safety device than the location of the second safety device, and transition to a search state based on determining that the location of the device is closer to the location of first safety device than the location of the second safety device.
Clause 32: The device of any of clauses 21-31, wherein the at least one processor is further programmed or configured to: transition the device to a search state based on the data associated with the indication that a safety device is in a transmit state, wherein, when the device is in the search state, the at least one processor is programmed or configured to: broadcast one or more messages including data associated with at least one of: the location of the safety device in the transmit state and data associated with a location of a second safety device.
Clause 33: The device of any of clauses 21-32, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and determine an area in which the safety device in the transmit state is located based on the location of the safety device in the transmit state, the relative location of the device, and the location of the local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state.
Clause 34: The device of any of clauses 21-33, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and determine an area in which the safety device in the transmit state is located based on the location of the safety device in the transmit state, the relative location of the device, and the location of the local monitoring device, wherein the local monitoring device comprises a beacon device configured to be in communication with the safety device in the transmit state and the device.
Clause 35: The device of any of clauses 21-34, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and determine an area in which the safety device in the transmit state is not located based on the location of the safety device in the transmit state and the location of the local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 36: The device of any of clauses 21-35, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and generate a map based on one or more of the location of the device in the transmit state, the location of the local monitoring device, and the relative location of the device.
Clause 37: A computer program product comprising at least one non-transitory computer-readable medium comprising one or more instructions that, when executed by at least one processor, cause the at least one processor to: receive data associated with a location of a device generated by a global position system (GPS) receiver and data associated with the location of the device generated by an inertial measurement unit (IMU) of the device; determine an absolute location of the device based on the data associated with the location of the device generated by the GPS receiver and the IMU of the device; receive data associated with movement of the device from the absolute location to a relative location generated by the IMU; determine the relative location of the device based on the absolute location of the device and the movement of the device to the relative location; receive data associated with an indication that a safety device is in a transmit state; and transmit data associated with the relative location of the device.
Clause 38: The computer program product of clause 37, wherein the one or more instructions that cause the at least one processor to receive data associated with the indication that the safety device is in the transmit state cause the at least one processor to: receive the data associated with the indication that the safety device is in the transmit state from the safety device that is in the transmit state.
Clause 39: The computer program product of clauses 37 or 38, wherein, when receiving data associated with the indication that the safety device is in the transmit state, the at least one processor is programmed or configured to: receive the data associated with the indication that the safety device is in the transmit state from a local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 40: The computer program product of any of clauses 37-39, wherein, when receiving data associated with the indication that the safety device is in the transmit state, the at least one processor is programmed or configured to: receive the data associated with the indication that the safety device is in the transmit state from a central server.
Clause 41: The computer program product of any of clauses 37-40, wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit the data associated with the relative location of the device to the safety device that is in the transmit state.
Clause 42: The computer program product of any of clauses 37-41, wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit the data associated with the relative location of the device to a local monitoring device wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 43: The computer program product of any of clauses 37-42, wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit the data associated with the relative location of the device to the safety device that is in the transmit state to a central server.
Clause 44: The computer program product of any of clauses 37-43, wherein the device is the safety device in the transmit state, and wherein, when transmitting the data associated with the relative location of the device, the at least one processor is programmed or configured to: transmit a plurality of messages, wherein each message of the plurality of messages comprises: data associated with a power level at which the message was transmitted and the data associated with the relative location of the device.
Clause 45: The computer program product of any of clauses 37-44, wherein the at least one processor is further programmed or configured to: receive one or more messages of a plurality of messages from the device in the transmit state via a short-range wireless communication connection; and transmit data associated with the one or more messages received from the device in the transmit state to a local monitoring device via the short-range wireless communication connection, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 46: The computer program product of any of clauses 37-45, wherein the at least one processor is further programmed or configured to: receive one or more messages of a plurality of messages from the device in the transmit state via a short-range wireless communication connection; and transmit data associated with one or more messages received from the device in the transmit state to a central server via a communication network.
Clause 47: The computer program product of any of clauses 37-46, wherein the safety device in the transmit state is a first safety device, and wherein the at least one processor is further programmed or configured to: receive data associated with a location of a second safety device, receive, via a ranging antenna, data associated with a first distance from a location of the device to a location of the first safety device, determine a second distance between the location of the second safety device and the location of the first safety device, and determine that the location of the device is closer to the location of the first safety device than the location second safety device based on: comparing the first distance to the second distance, and determining that the location of the device is closer to the location of the first safety device than the location of the second safety device, and transition to a search state based on determining that the location of the device is closer to the location of first safety device than the location of the second safety device.
Clause 48: The computer program product of any of clauses 37-47, wherein the at least one processor is further programmed or configured to: transition the device to a search state based on the data associated with the indication that a safety device is in a transmit state, wherein, when the device is in the search state, the at least one processor is programmed or configured to: broadcast one or more messages including data associated with at least one of: the location of the safety device in the transmit state and data associated with a location of a second safety device.
Clause 49: The computer program product of any of clauses 37-48, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and determine an area in which the safety device in the transmit state is located based on the location of the safety device in the transmit state, the relative location of the device, and the location of the local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state.
Clause 50: The computer program product of any of clauses 37-49, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and determine an area in which the safety device in the transmit state is located based on the location of the safety device in the transmit state, the relative location of the device, and the location of the local monitoring device, wherein the local monitoring device comprises a beacon device configured to be in communication with the safety device in the transmit state and the device.
Clause 51: The computer program product of any of clauses 37-50, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and determine an area in which the safety device in the transmit state is not located based on the location of the safety device in the transmit state and the location of the local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 52: The computer program product of any of clauses 37-51, wherein the at least one processor is further programmed or configured to: receive data associated with a location of the safety device in the transmit state; receive data associated with a location of a local monitoring device; and generate a map based on one or more of the location of the device in the transmit state, the location of the local monitoring device, and the relative location of the device.
Clause 53: A computer-implemented method, comprising: receiving data associated with a location of a device generated by a global position system (GPS) receiver and data associated with the location of the device generated by an inertial measurement unit (IMU) of the device; determining an absolute location of the device based on the data associated with the location of the device generated by the GPS receiver and the IMU of the device; receiving data associated with movement of the device from the absolute location to a relative location generated by the IMU; determining the relative location of the device based on the absolute location of the device and the movement of the device to the relative location; receiving data associated with an indication that a safety device is in a transmit state; and transmitting data associated with the relative location of the device.
Clause 54: The computer-implemented method of clause 53, receiving data associated with the indication that the safety device is in the transmit state comprises: receiving the data associated with the indication that the safety device is in the transmit state from the safety device that is in the transmit state.
Clause 55: The computer-implemented method of clauses 53 or 54, wherein receiving data associated with the indication that the safety device is in the transmit state comprises: receiving the data associated with the indication that the safety device is in the transmit state from a local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 56: The computer-implemented method of any of clauses 53-55, wherein receiving data associated with the indication that the safety device is in the transmit state comprises: receive the data associated with the indication that the safety device is in the transmit state from a central server.
Clause 57: The computer-implemented method of any of clauses 53-56, wherein transmitting the data associated with the relative location of the device comprises: transmitting the data associated with the relative location of the device to the safety device that is in the transmit state
Clause 58: The computer-implemented method of any of clauses 53-57, wherein transmitting the data associated with the relative location of the device comprises: transmitting the data associated with the relative location of the device to a local monitoring device wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 59: The computer-implemented method of any of clauses 53-58, wherein transmitting the data associated with the relative location of the device comprises: transmitting the data associated with the relative location of the device to the safety device that is in the transmit state to a central server.
Clause 60: The computer-implemented method of any of clauses 53-59, wherein the device is the safety device in the transmit state, and wherein transmitting the data associated with the relative location of the device comprises: transmitting a plurality of messages, wherein a message of the plurality of messages comprises: data associated with a power level at which each message was transmitted and the data associated with the relative location of the device.
Clause 61: The computer-implemented method of any of clauses 53-60, further comprising: receiving one or more messages of a plurality of messages from the device in the transmit state via a short-range wireless communication connection; and transmitting data associated with the one or more messages received from the device in the transmit state to a local monitoring device via the short-range wireless communication connection, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 62: The computer-implemented method of any of clauses 53-61, further comprising: receiving one or more messages of a plurality of messages from the device in the transmit state via a short-range wireless communication connection; and transmitting data associated with one or more messages received from the device in the transmit state to a central server via a communication network.
Clause 63: The computer-implemented method of any of clauses 53-62, wherein the safety device in the transmit state is a first safety device, the computer-implemented method further comprising: receiving data associated with a location of a second safety device, receiving, via a ranging antenna, data associated with a first distance from a location of the device to a location of the first safety device, determining a second distance between the location of the second safety device and the location of the first safety device, and determining that the location of the device is closer to the location of the first safety device than the location second safety device based on: comparing the first distance to the second distance, and determining that the location of the device is closer to the location of the first safety device than the location of the second safety device, and transitioning to a search state based on determining that the location of the device is closer to the location of first safety device than the location of the second safety device.
Clause 64: The computer-implemented method of any of clauses 53-63, further comprising: transitioning the device to a search state based on the data associated with the indication that a safety device is in a transmit state; and broadcasting one or more messages including data associated with at least one of: the location of the safety device in the transmit state and data associated with a location of a second safety device.
Clause 65: The computer-implemented method of any of clauses 53-64, further comprising: receiving data associated with a location of the safety device in the transmit state; receiving data associated with a location of a local monitoring device; and determining an area in which the safety device in the transmit state is located based on the location of the safety device in the transmit state, the relative location of the device, and the location of the local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state.
Clause 66: The computer-implemented method of any of clauses 53-65, further comprising: receiving data associated with a location of the safety device in the transmit state; receiving data associated with a location of a local monitoring device; and determining an area in which the safety device in the transmit state is located based on the location of the safety device in the transmit state, the relative location of the device, and the location of the local monitoring device, wherein the local monitoring device comprises a beacon device configured to be in communication with the safety device in the transmit state and the device.
Clause 67: The computer-implemented method of any of clauses 53-66, further comprising: receiving data associated with a location of the safety device in the transmit state; receiving data associated with a location of a local monitoring device; and determining an area in which the safety device in the transmit state is not located based on the location of the safety device in the transmit state and the location of the local monitoring device, wherein the local monitoring device comprises a safety device configured to be in communication with the safety device in the transmit state or a beacon device configured to be in communication with the safety device that is in the transmit state.
Clause 68: The computer-implemented method of any of clauses 53-67, further comprising: receiving data associated with a location of the safety device in the transmit state; receiving data associated with a location of a local monitoring device; and generating a map based on one or more of the location of the device in the transmit state, the location of the local monitoring device, and the relative location of the device.
Clause 69: A system, comprising: at least one processor programmed or configured to: transmit one or more messages including an indication that a device is in a transmit state, receive a first location message from a first safety device in a search state, the first location message comprising: data associated with a location of the first safety device, and transmit a coordination message to a second safety device based on receiving the first location message from the first safety device in the search state, the coordination message comprising: data associated with the location of the first safety device relative to the device in the transmit state.
Clause 70: The system of clause 69, wherein the at least one processor is further programmed or configured to: receive a second location message comprising data associated with a location of the second safety device; determine a first distance from the first safety device in the search state to the device in the transmit state; determine a second distance from the second safety device in the search state to the device in the transmit state; and determine whether the first safety device or the second safety device is closer to the device in the transmit state based on comparing the first distance to the second distance.
Clause 71: The system of clauses 69 or 70, wherein, when transmitting the coordination message to the second safety device, the at least one processor is further programmed or configured to: transmit the coordination message comprising: the data associated with the location of the first safety device relative to the safety device in the transmit state; and data associated with an indication that the second safety device should transition to a search state based on determining that the second safety device is closer to the device in the transmit state.
Clause 72: The system of any of clauses 69-71, wherein the location of the first safety device is an absolute location of the first safety device, and wherein the at least one processor is further programmed or configured to: receive data associated with a distance between the device in the transmit state and the first safety device, and determine an absolute location of the device in the transmit state based on the absolute location of the first safety device, the distance between the device in the transmit state and the first safety device, and a relative location of the device in the transmit state.
Clause 73: The system of any of clauses 69-72, wherein, when transmitting the coordination message to the second safety device, the at least one processor is further programmed or configured to: transmit the coordination message comprising: data associated with the absolute location of the first safety device, wherein the coordination message causes a display device of the second safety device to display the absolute location of the first safety device relative to a relative location of the second safety device or an absolute location of the second safety device.
Clause 74: The system of any of clauses 69-73, wherein the location of the first safety device is an absolute location of the first safety device, and wherein the at least one processor is further programmed or configured to: receive data associated with a first distance between the device in the transmit state and the first safety device, receive data associated with a second distance between the device in the transmit state and the second safety device; receive a second location message comprising data associated with a location of the second safety device, the location of the second safety device comprising a relative location of the second safety device or an absolute location of the second safety device; and determine an absolute location of the device in the transmit state based on the absolute location of the first safety device, the distance between the device in the transmit state and the first safety device, and the location of the second safety device.
Clause 75: The system of any of clauses 69-74, wherein the at least one processor is further programmed or configured to: transmit data associated with an prompt to transition to a search state based on the location of the first safety device, the location of the second safety device, and the absolute location of the device in the transmit state.
Clause 76: A computer program product comprising at least one non-transitory computer-readable medium comprising one or more instructions that, when executed by at least one processor, cause the at least one processor to: transmit one or more messages including an indication that a device is in a transmit state, receive a first location message from a first safety device in a search state, the first location message comprising: data associated with a location of the first safety device, and transmit a coordination message to a second safety device based on receiving the first location message from the first safety device in the search state, the coordination message comprising: data associated with the location of the first safety device relative to the device in the transmit state.
Clause 77: The computer program product of clause 76, wherein the one or more instructions further cause the at least one processor to: receive a second location message comprising data associated with a location of the second safety device; determine a first distance from the first safety device in the search state to the device in the transmit state; determine a second distance from the second safety device in the search state to the device in the transmit state; and determine whether the first safety device or the second safety device is closer to the device in the transmit state based on comparing the first distance to the second distance.
Clause 78: The computer program product of clauses 76 or 77, wherein the one or more instructions that cause the at least one processor to transmit the coordination message to the second safety device cause the at least one processor to: transmit the coordination message comprising: the data associated with the location of the first safety device relative to the safety device in the transmit state; and data associated with an indication that the second safety device should transition to a search state based on determining that the second safety device is closer to the device in the transmit state.
Clause 79: The computer program product of any of clauses 76-78, wherein the location of the first safety device is an absolute location of the first safety device, and wherein the one or more instructions further cause the at least one processor to: receive data associated with a distance between the device in the transmit state and the first safety device, and determine an absolute location of the device in the transmit state based on the absolute location of the first safety device, the distance between the device in the transmit state and the first safety device, and a relative location of the device in the transmit state.
Clause 80: The computer program product of any of clauses 76-79, wherein the one or more instructions that cause the at least one processor to transmit the coordination message to the second safety device cause the at least one processor to: transmit the coordination message comprising: data associated with the absolute location of the first safety device, wherein the coordination message causes a display device of the second safety device to display the absolute location of the first safety device relative to a relative location of the second safety device or an absolute location of the second safety device.
Clause 81: The computer program product of any of clauses 76-80, wherein the location of the first safety device is an absolute location of the first safety device, and wherein the one or more instructions further cause the at least one processor to: receive data associated with a first distance between the device in the transmit state and the first safety device, receive data associated with a second distance between the device in the transmit state and the second safety device; receive a second location message comprising data associated with a location of the second safety device, the location of the second safety device comprising a relative location of the second safety device or an absolute location of the second safety device; and determine an absolute location of the device in the transmit state based on the absolute location of the first safety device, the distance between the device in the transmit state and the first safety device, and the location of the second safety device.
Clause 82: The computer program product of any of clauses 76-81, wherein the one or more instructions further cause the at least one processor to: transmit data associated with an prompt to transition to a search state based on the location of the first safety device, the location of the second safety device, and the absolute location of the device in the transmit state.
Clause 83: A computer-implemented method, comprising: transmitting one or more messages including an indication that a device is in a transmit state, receiving a first location message from a first safety device in a search state, the first location message comprising: data associated with a location of the first safety device, and transmitting a coordination message to a second safety device based on receiving the first location message from the first safety device in the search state, the coordination message comprising: data associated with the location of the first safety device relative to the device in the transmit state.
Clause 84: The computer-implemented method of clause 83, further comprising: receiving a second location message comprising data associated with a location of the second safety device; determining a first distance from the first safety device in the search state to the device in the transmit state; determining a second distance from the second safety device in the search state to the device in the transmit state; and determining whether the first safety device or the second safety device is closer to the device in the transmit state based on comparing the first distance to the second distance.
Clause 85: The computer-implemented method of clauses 83 or 84, wherein transmitting the coordination message to the second safety device comprises: transmitting the coordination message comprising: the data associated with the location of the first safety device relative to the safety device in the transmit state; and data associated with an indication that the second safety device should transition to a search state based on determining that the second safety device is closer to the device in the transmit state.
Clause 86: The computer-implemented method of any of clauses 83-85, wherein the location of the first safety device is an absolute location of the first safety device, the computer-implemented method further comprising: receiving data associated with a distance between the device in the transmit state and the first safety device, and determining an absolute location of the device in the transmit state based on the absolute location of the first safety device, the distance between the device in the transmit state and the first safety device, and a relative location of the device in the transmit state.
Clause 87: The computer-implemented method of any of clauses 83-86, transmitting the coordination message to the second safety device comprises: transmitting the coordination message comprising: data associated with the absolute location of the first safety device, wherein the coordination message causes a display device of the second safety device to display the absolute location of the first safety device relative to a relative location of the second safety device or an absolute location of the second safety device.
Clause 88: The computer-implemented method of any of clauses 83-87, wherein the location of the first safety device is an absolute location of the first safety device, the computer-implemented method further comprising: receiving data associated with a first distance between the device in the transmit state and the first safety device, receiving data associated with a second distance between the device in the transmit state and the second safety device; receiving a second location message comprising data associated with a location of the second safety device, the location of the second safety device comprising a relative location of the second safety device or an absolute location of the second safety device; and determining an absolute location of the device in the transmit state based on the absolute location of the first safety device, the distance between the device in the transmit state and the first safety device, and the location of the second safety device.
Clause 89: The computer-implemented method of any of clauses 83-88, further comprising: transmitting data associated with an prompt to transition to a search state based on the location of the first safety device, the location of the second safety device, and the absolute location of the device in the transmit state.
Clause 90: A system for generating an image to be output by a device, the system comprising: at least one processor programmed or configured to: receive data associated with infrared light detected by a thermal imager included in a safety device, the data associated with the infrared light representing an image, determine one or more edges included in the image, the one or more edges corresponding to one or more edges of one or more objects in a field of view of the thermal imager; generate a colorized image based on the data associated with the infrared light; overlay the one or more edges onto the colorized image; and output data associated with the colorized image that includes the one or more edges overlaid onto the colorized image.
Clause 91: The system of clause 90, wherein, when determining the one or more edges included in the image, the at least one processor is programmed or configured to: identify the one or more edges in the image corresponding to the one or more edges of one or more objects in the field of view of the thermal imager using an edge detection algorithm.
Clause 92: The system of clauses 90 or 91, wherein, when determining the one or more edges included in the image, the at least one processor is programmed or configured to: identify one or more straight edges corresponding to the one or more edges of one or more objects in the field of view of the thermal imager using a straight line detection algorithm and the one or more edges that were identified in the image using the edge detection algorithm, and wherein, when overlaying the one or more edges onto the colorized image, the at least one processor is programmed or configured to: overlay the one or more straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager onto the colorized image after colorizing the image to generate the colorized image.
Clause 93: The system of any of clauses 90-92, wherein, when determining the one or more edges included in the image, the at least one processor is programmed or configured to: identify one or more sets of straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager using a straight line detection algorithm and the one or more edges that were identified using the image and the edge detection algorithm, and wherein, when overlaying the one or more edges onto the colorized image, the at least one processor is programmed or configured to: overlay the one or more sets of straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager onto the colorized image after colorizing the image to generate the colorized image.
Clause 94: The system any of clauses 90-93, wherein, when overlaying the one or more edges onto the colorized image, the at least one processor is programmed or configured to: overlay one or more non-linear edges of the one or more edges that were identified in the image using the edge detection algorithm onto the colorized image after colorizing the image to generate the colorized image.
Clause 95: The system of any of clauses 90-94, wherein, when overlaying the one or more edges onto the colorized image, the at least one processor is programmed or configured to: overlay one or more straight edges in a first color onto the colorized image; and overlay one or more non-linear edges in a second color onto the colorized image, wherein the first color is different from the second color.
Clause 96: The system of any of clauses 90-95, wherein, when identifying the one or more straight edges, the at least one processor is programmed or configured to: identify the one or more straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager based on performing a Hough transformation on data associated with the one or more edges that were identified using the edge detection algorithm.
Clause 97: A computer program product comprising at least one non-transitory computer-readable medium comprising one or more instructions that, when executed by at least one processor, cause the at least one processor to: receive data associated with infrared light detected by a thermal imager included in a safety device, the data associated with the infrared light representing an image, determine one or more edges included in the image, the one or more edges corresponding to one or more edges of one or more objects in a field of view of the thermal imager; generate a colorized image based on the data associated with the infrared light; overlay the one or more edges onto the colorized image; and output data associated with the colorized image that includes the one or more edges overlaid onto the colorized image.
Clause 98: The computer program product of clause 97, wherein the one or more instructions that cause the at least one processor to determine the one or more edges included in the image cause the at least one processor to: identify the one or more edges in the image corresponding to the one or more edges of one or more objects in the field of view of the thermal imager using an edge detection algorithm.
Clause 99: The computer program product of clauses 97 or 98, wherein the one or more instructions that cause the at least one processor to determine the one or more edges included in the image cause the at least one processor to: identify one or more straight edges corresponding to the one or more edges of one or more objects in the field of view of the thermal imager using a straight line detection algorithm and the one or more edges that were identified in the image using the edge detection algorithm, and wherein the one or more instructions that cause the at least one processor to overlaying the one or more edges onto the colorized image cause the at least one processor to: overlay the one or more straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager onto the colorized image after colorizing the image to generate the colorized image.
Clause 100: The computer program product of any of clauses 97-99, wherein the one or more instructions that cause the at least one processor to determine the one or more edges included in the image cause the at least one processor to: identify one or more sets of straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager using a straight line detection algorithm and the one or more edges that were identified using the image and the edge detection algorithm, and wherein the one or more instructions that cause the at least one processor to overlay the one or more edges onto the colorized image cause the at least one processor to: overlay the one or more sets of straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager onto the colorized image after colorizing the image to generate the colorized image.
Clause 101: The computer program product of any of clauses 97-100, wherein the one or more instructions that cause the at least one processor to overlay the one or more edges onto the colorized image cause the at least one processor to: overlay one or more non-linear edges of the one or more edges that were identified in the image using the edge detection algorithm onto the colorized image after colorizing the image to generate the colorized image.
Clause 102: The computer program product of any of clauses 97-101, wherein the one or more instructions that cause the at least one processor to overlay the one or more edges onto the colorized image cause the at least one processor to: overlay one or more straight edges in a first color onto the colorized image; and overlay one or more non-linear edges in a second color onto the colorized image, wherein the first color is different from the second color.
Clause 103: The computer program product of any of clauses 97-102, wherein the one or more instructions that cause the at least one processor to identify the one or more straight edges cause the at least one processor to: identify the one or more straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager based on performing a Hough transformation on data associated with the one or more edges that were identified using the edge detection algorithm.
Clause 104: A computer-implemented method, comprising: receiving data associated with infrared light detected by a thermal imager included in a safety device, the data associated with the infrared light representing an image, determining one or more edges included in the image, the one or more edges corresponding to one or more edges of one or more objects in a field of view of the thermal imager; generating a colorized image based on the data associated with the infrared light; overlaying the one or more edges onto the colorized image; and outputting data associated with the colorized image that includes the one or more edges overlaid onto the colorized image.
Clause 105: The computer-implemented method of clause 104, wherein determining the one or more edges included in the image comprises: identifying the one or more edges in the image corresponding to the one or more edges of one or more objects in the field of view of the thermal imager using an edge detection algorithm.
Clause 106: The computer-implemented method of clauses 104 or 105, wherein determining the one or more edges included in the image comprises: identifying one or more straight edges corresponding to the one or more edges of one or more objects in the field of view of the thermal imager using a straight line detection algorithm and the one or more edges that were identified in the image using the edge detection algorithm, and wherein overlaying the one or more edges onto the colorized image comprises: overlaying the one or more straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager onto the colorized image after colorizing the image to generate the colorized image.
Clause 107: The computer-implemented method of any of clauses 104-106, wherein determining the one or more edges included in the image comprises: identifying one or more sets of straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager using a straight line detection algorithm and the one or more edges that were identified using the image and the edge detection algorithm, and wherein overlaying the one or more edges onto the colorized image comprises: overlaying the one or more sets of straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager onto the colorized image after colorizing the image to generate the colorized image.
Clause 108: The computer-implemented method of any of clauses 104-107, wherein overlaying the one or more edges onto the colorized image comprises: overlaying one or more non-linear edges of the one or more edges that were identified in the image using the edge detection algorithm onto the colorized image after colorizing the image to generate the colorized image.
Clause 109: The computer-implemented method of any of clauses 104-108, wherein overlaying the one or more edges onto the colorized image comprises: overlaying one or more straight edges in a first color onto the colorized image; and overlaying one or more non-linear edges in a second color onto the colorized image, wherein the first color is different from the second color.
Clause 110: The computer-implemented method of any of clauses 104-109, wherein identifying the one or more straight edges comprises: identifying the one or more straight edges corresponding to the one or more edges of one or more objects in a field of view of the thermal imager based on performing a Hough transformation on data associated with the one or more edges that were identified using the edge detection algorithm.
Clause 111: A safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more radio frequency (RF) signal parameters associated with the one or more messages, and output data associated with an indication of an alignment with a device in a transmit state based on the one or more RF signal parameters associated with the one or more messages, wherein the thermal imager is aligned with the one or more directional antennae such that an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
Clause 112: The safety device of claim 111, further comprising: one or more omnidirectional antennae configured to transmit one or more messages at one or more power levels, the one or more messages including one or more of: data associated with a device identifier, data associated with a transmit period, data associated with a state of one or more devices in communication with the safety device, and data associated with one or more safety devices that are in a search state.
Clause 113: The safety device of claim 112, wherein the one or more omnidirectional antennae comprises: a first omnidirectional antenna associated with a first radiation field; and a second omnidirectional antenna associated with a second radiation field, wherein the first omnidirectional antenna and the second omnidirectional antenna are positioned about the safety device such that the first radiation field does not correspond to the second radiation field.
Clause 114: The safety device of claim 111, further comprising: a display device; wherein, when receiving the one or more messages via the one or more directional antennae, the one or more processors are programmed or configured to receive data associated with an indication of a heading toward a device in a transmit state, and wherein the one or more processors are further programmed or configured to: receive data associated with infrared light detected by the thermal imager, and output data associated with an image based on the indication of the heading toward the device in the transmit state and the infrared light detected by the thermal imager, the data associated with the image configured to cause the display device to display the image.
Clause 115: The safety device of claim 111, further comprising: a display device; a digital camera configured to receive one or more digital images; wherein, when receiving the one or more messages via the one or more directional antennae, the one or more processors are programmed or configured to receive data associated with an indication of a heading toward a device in a transmit state, and wherein the one or more processors are further programmed or configured to: receive, from the thermal imager, data associated with infrared light detected by the thermal imager, receive, from the digital camera, data associated with one or more digital images captured by the digital camera, and output data associated with an image based on the indication of the heading toward the device in the transmit state, the infrared light detected by the thermal imager, and the one or more digital images captured by the digital camera, the data associated with the image configured to cause the display device to display the image.
Clause 116: The safety device of claim 111, further comprising: a housing; a display device extending along a first plane; and a circuit board disposed in the housing, the circuit board including the thermal imager and the one or more directional antennae disposed thereon, the circuit board extending along a second plane that is associated with the common plane, wherein the first plane is parallel to or intersects the second plane at an angle of ±Θ° from the first plane to the second plane, wherein Θ is in a range of about 0 to 90.
Clause 117: The safety device of claim 116, wherein the one or more directional antennae are included on the circuit board extending along the second plane, and wherein the boresight of the one or more directional antennae is substantially orthogonal to the second plane.
Clause 118: The safety device of claim 116, further comprising: a signal-absorbing material included in the housing, the signal-absorbing material configured to absorb signals directed toward the one or more directional antennae in a direction that the one or more directional antennae are not configured to receive the signals from.
Clause 119: A safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine data associated with one or more parameters at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on values of the one or more parameters at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
Clause 120: The safety device of claim 119, further comprising: one or more omnidirectional antennae configured to transmit one or more messages at one or more power levels, the one or more messages including one or more of: data associated with a device identifier, data associated with a transmit period, data associated with a state of one or more devices in communication with the safety device, and data associated with one or more safety devices that are in a search state.
Clause 121: The safety device of claim 120, wherein the one or more omnidirectional antennae comprises: a first omnidirectional antenna associated with a first radiation field; and a second omnidirectional antenna associated with a second radiation field, wherein the first omnidirectional antenna and the second omnidirectional antenna are positioned about the safety device such that the first radiation field does not correspond to the second radiation field.
Clause 122: The safety device of claim 120, wherein the one or more omnidirectional antennae comprises: a first omnidirectional antenna associated with a first polarization; and a second omnidirectional antenna associated with a second polarization, wherein the first omnidirectional antenna is positioned in the safety device relative to the second omnidirectional antenna such that the first polarization is at least partially unaligned with the second polarization.
Clause 123: The safety device of claim 119, further comprising: a display device; wherein, when receiving the one or more messages via the one or more directional antennae, the one or more processors are programmed or configured to receive data associated with an indication of a heading toward a device in a transmit state, and wherein the one or more processors are further programmed or configured to: receive data associated with infrared light detected by the thermal imager, and output data associated with an image based on the indication of the heading toward the device in the transmit state and the infrared light detected by the thermal imager, the data associated with the image configured to cause the display device to display the image.
Clause 124: The safety device of claim 119, further comprising: a housing including a display device extending along a first plane; and a circuit board disposed in the housing, the circuit board including the thermal imager and a digital camera disposed thereon, the circuit board extending along a second plane, wherein the first plane is parallel to and/or intersects the second plane at an angle of ±Θ° from the first plane to the second plane, wherein Θ is in a range of about 0 to 90.
Clause 125: The safety device of claim 124, wherein the one or more directional antennae are included on the circuit board extending along the second plane, and wherein the boresight of the one or more directional antennae is substantially orthogonal to the second plane.
Clause 126: A safety device, comprising: a thermal imager configured to detect infrared light; one or more directional antennae, and one or more processors programmed or configured to: receive one or more messages via the one or more directional antennae, determine one or more power levels at which the one or more messages were received, and output data associated with an indication of a heading toward a device in a transmit state based on the one or more power levels at which the one or more messages were received, wherein an optical axis of the thermal imager is aligned with a boresight of the one or more directional antennae.
Clause 127: The safety device of claim 126, wherein the optical axis of the thermal imager is aligned with the boresight of the one or more directional antennae such that a center portion of a field of view associated with the thermal imager intersects the boresight of the one or more directional antennae.
Clause 128: The safety device of claim 126, further comprising: a radio frequency (RF) ranging sensor, and a display device; wherein the one or more processors are further programmed or configured to: receive, via the RF ranging sensor, data associated with a distance between a first location of the safety device and a second location of a device that is in a transmit state, receive data associated with infrared light detected by the thermal imager, and output data associated with an image based on the indication of the heading toward the device in the transmit state, the distance between the first location of the safety device and the second location of the device that is in the transmit state, and the infrared light detected by the thermal imager, the data associated with the image configured to cause the display device to display the image.
Clause 129: The safety device of claim 126, further comprising: a housing; a display device extending along a first plane; and a circuit board disposed in the housing, the circuit board including the thermal imager and a digital camera disposed thereon, the circuit board extending along a second plane, wherein the first plane is parallel to or intersects the second plane at an angle of ±Θ° from the first plane to the second plane, wherein Θ is in a range of about 0 to 90.
Clause 130: The safety device of claim 129, wherein the one or more directional antennae are included on the circuit board, and wherein the boresight of the one or more directional antennae is orthogonal to the second plane.
These and other features and characteristics of the present disclosure, as well as the methods of operation and functions of the related elements of structures and the combination of parts and economies of manufacture, will become more apparent upon consideration of the following description and the appended claims with reference to the accompanying drawings, all of which form a part of this specification, wherein like reference numerals designate corresponding parts in the various figures. It is to be expressly understood, however, that the drawings are for the purpose of illustration and description only and are not intended as a definition of the limits of the present disclosure. As used in the specification and the claims, the singular form of “a,” “an,” and “the” include plural referents unless the context clearly dictates otherwise.
For purposes of the description hereinafter, the terms “end,” “upper,” “lower,” “right,” “left,” “vertical,” “horizontal,” “top,” “bottom,” “lateral,” “longitudinal,” and derivatives thereof shall relate to the disclosure as it is oriented in the drawing figures. However, it is to be understood that the disclosure may assume various alternative variations and step sequences, except where expressly specified to the contrary. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification, are simply exemplary embodiments or aspects of the disclosure. Hence, specific dimensions and other physical characteristics related to the embodiments or aspects of the embodiments disclosed herein are not to be considered as limiting unless otherwise indicated.
No aspect, component, element, structure, act, step, function, instruction, and/or the like used herein should be construed as critical or essential unless explicitly described as such. In addition, as used herein, the articles “a” and “an” are intended to include one or more items and may be used interchangeably with “one or more” and “at least one.” Furthermore, as used herein, the term “set” is intended to include one or more items (e.g., related items, unrelated items, a combination of related and unrelated items, etc.) and may be used interchangeably with “one or more” or “at least one.” Where only one item is intended, the term “one” or similar language is used. Also, as used herein, the terms “has,” “have,” “having,” or the like are intended to be open-ended terms. Further, the phrase “based on” is intended to mean “based at least partially on” unless explicitly stated otherwise.
As used herein, the terms “communication” and “communicate” may refer to the reception, receipt, transmission, transfer, provision, and/or the like of information (e.g., data, signals, messages, instructions, commands, and/or the like). For one unit (e.g., a device, a component of a device, combinations thereof, and/or the like) to be in communication with another unit means that the one unit is able to directly or indirectly receive information from and/or send (e.g., transmit) information to the other unit. This may refer to a direct or indirect connection that is wired and/or wireless in nature. Additionally, two units may be in communication with each other even though the information transmitted may be modified, processed, relayed, and/or routed between the first and second unit. For example, a first unit may be in communication with a second unit even though the first unit passively receives information and does not actively transmit information to the second unit. As another example, a first unit may be in communication with a second unit if one or more intermediary units (e.g., a third unit located between the first unit and the second unit) processes information received from the first unit and transmits the processed information to the second unit. In some non-limiting embodiments or aspects, a message may refer to a network packet (e.g., a data packet and/or the like) that includes data.
As used herein, the term “server” may refer to one or more devices, such as processors, storage devices, and/or similar computer components that communicate with client devices and/or other devices over a network, such as the Internet or private networks and, in some examples, facilitate communication among other servers and/or client devices.
Provided are improved devices, methods, and computer program products for providing output to an individual associated with a hazardous environment. In some non-limiting embodiments or aspects, devices, methods, and computer program products may receive one or more messages from a device in an alarm state, the one or more messages comprising: a first message received at a first power level, the first message comprising data associated with a power level at which the first message was transmitted by the device in the alarm state, and a second message received at a second power level, the second message comprising data associated with a power level at which the second message was transmitted by the device in the alarm state; determine a heading toward the device in the alarm state based on the first message and the second message; an output data associated with an indication of the heading toward the device in the alarm state.
In this way, a device may be provided that enables first responders to identify the location of one or more other first responders in distress or identify a path to travel to the location of the first responder in distress while the first responder in distress is located within a hazardous environment. For example, the one or more other first responders may be provided with an indication of a location of the first responder in distress via a safety device and may move toward the first responder in distress based on being provided the indication. As a result, the one or more other first responders may take less time to find the first responder in distress. Further, a safety device may transition to a transmit state while a first responder in distress is unconscious and unable to cause the safety device to transition to the transmit state, causing the safety device of the first responder to transmit messages to provide an indication of the location of the first responder in distress to the one or more other first responders.
Referring now to
Safety device 102 may include one or more devices configured to be in communication with other safety devices 102, local monitoring device 104, remote monitoring device 106, and/or user device 108 via communication network 110. For example, safety device 102 may include a device such as, for example, a client device, an individual device (e.g., a mobile device), and/or the like. Safety device 102 may be configured to transmit to and/or receive data from one or more other safety devices 102 and/or local monitoring device 104 via a short-range wireless communication connection (e.g., a two way radio communication connection, one or more (e.g., two) communication connections established within one or more industrial, scientific, and medical (ISM) frequency bands), one or more communication connections established within a direct-sequence spread spectrum (DSSS) band (e.g., 2.4 GHz), an NFC (near-field communication) communication connection, an RFID (radio frequency identification) communication connection, a Bluetooth® communication connection, and/or the like). In some non-limiting embodiments or aspects, safety device 102 may be associated with (e.g., carried by) an individual (e.g., an individual operating a device, such as a first responder), an individual coordinating actions performed by one or more first responders (e.g., an individual providing instructions to one or more first responders), and/or the like. In some non-limiting embodiments or aspects, safety device 102 may be configured to transition to, and/or operate in, a transmit state and/or a search state as described herein. In some non-limiting embodiments or aspects, safety device 102 may be configured to output data associated with an indication of a heading toward a device in a transmit state, as described herein. In some non-limiting embodiments or aspects, safety device 102 may be configured to transmit data associated with a location of one or more safety devices 102. In some non-limiting embodiments or aspects, safety device 102 may be configured to transmit one or more coordination messages, as described herein. In some non-limiting embodiments or aspects, safety device 102 may be configured to output data associated with a colorized image that includes one or more edges overlaid onto the colorized image, as described herein. In some non-limiting embodiments or aspects, safety devices 102a may be configured to be in communication with a self-contained breathing apparatus (SCBA) (e.g., one or more sensors included in an SCBA such as one or more air pressure sensors). In some non-limiting embodiments or aspects, one or more components of safety device 102 may be integrated together and/or as separate components in one or more other devices. For example, one or more components of safety device 102 may be integrated in a helmet, a pressure gauge (e.g., a pressure gauge included in an SCBA), and/or the like.
Local monitoring device 104 may include one or more devices configured to be in communication with safety devices 102, remote monitoring device 106, and/or user device 108 via communication network 110. For example, local monitoring device 104 may include one or more devices such as a server, a desktop computer, a mobile device (e.g., a smartphone, a tablet, and/or the like), and/or the like. Local monitoring device 104 may be configured to transmit and/or receive data to and/or from one or more safety devices 102 via a short-range wireless communication connection. In some non-limiting embodiments or aspects, local monitoring device 104 may be associated with (e.g., operated by) an individual as described herein.
Remote monitoring device 106 may include one or more devices configured to be in communication with safety devices 102, local monitoring device 104, and/or user device 108 via communication network 110. For example, remote monitoring device 106 may include one or more devices such as a server, a desktop computer, a mobile device (e.g., a smartphone, a tablet, and/or the like), and/or the like. In some non-limiting embodiments or aspects, remote monitoring device 106 may be associated with (e.g., operated by) an individual as described herein.
User device 108 may include one or more devices configured to be in communication with safety devices 102, local monitoring device 104, and/or remote monitoring device 106 via communication network 110. For example, remote monitoring device 106 may include one or more devices such as a mobile device and/or the like. In some non-limiting embodiments or aspects, user device 108 may be associated with (e.g., operated by) an individual as described herein. In some non-limiting embodiments or aspects, user device 108 may be configured to transmit and/or receive data associated with one or more data logs (e.g., logs of sensor measurements determined during operation of safety device 102), data associated with one or more configurations (e.g., an operating system), data associated with personalization of safety device 102, and/or the like.
Communication network 110 may include one or more wired and/or wireless networks. For example, communication network 110 may include a cellular network (e.g., a long-term evolution (LTE) network, a third generation (3G) network, a fourth generation (4G) network, a fifth generation (5G) network, a code division multiple access (CDMA) network, etc.), a public land mobile network (PLMN), a local area network (LAN), a wide area network (WAN), a metropolitan area network (MAN), a telephone network (e.g., the public switched telephone network (PSTN)), a private network, an ad hoc network, an intranet, the Internet, a fiber optic-based network, a cloud computing network, and/or the like, and/or a combination of some or all of these or other types of networks.
The number and arrangement of systems and/or devices shown in
Referring now to
Bus 202 may include a component that permits communication among the components of device 200. In some non-limiting embodiments or aspects, processor 204 may be implemented in hardware, firmware, or a combination of hardware and software. For example, processor 204 may include a processor (e.g., a central processing unit (CPU), a graphics processing unit (GPU), an accelerated processing unit (APU), etc.), a microprocessor, a digital signal processor (DSP), and/or any processing component (e.g., a field-programmable gate array (FPGA), an application-specific integrated circuit (ASIC), etc.) that can be programmed to perform a function. Memory 206 may include random access memory (RAM), read-only memory (ROM), and/or another type of dynamic or static storage device (e.g., flash memory, magnetic memory, optical memory, etc.) that stores information and/or instructions for use by processor 204.
Storage component 208 may store information and/or software related to the operation and use of device 200. For example, storage component 208 may include a hard disk (e.g., a magnetic disk, an optical disk, a magneto-optic disk, a solid state disk, etc.), a compact disc (CD), a digital versatile disc (DVD), a floppy disk, a cartridge, a magnetic tape, and/or another type of computer-readable medium, along with a corresponding drive.
Input component 210 may include a component that permits device 200 to receive information, such as via user input (e.g., a touchscreen display, a keyboard, a keypad, a mouse, a button, a switch, a microphone, a camera, etc.). Additionally or alternatively, input component 210 may include a sensor for sensing information (e.g., a global positioning system (GPS) component, an accelerometer, a gyroscope, an actuator, etc.). Output component 212 may include a component that provides output information from device 200 (e.g., a display, a speaker, one or more light-emitting diodes (LEDs), etc.).
Communication interface 214 may include a transceiver-like component (e.g., a transceiver, a separate receiver and transmitter, etc.) that enables device 200 to communicate with other devices, such as via a wired connection, a wireless connection, or a combination of wired and wireless connections. Communication interface 214 may permit device 200 to receive information from another device and/or provide information to another device. For example, communication interface 214 may include an Ethernet interface, an optical interface, a coaxial interface, an infrared interface, a radio frequency (RF) interface, a universal serial bus (USB) interface, a Wi-Fi® interface, a cellular network interface, and/or the like.
Device 200 may perform one or more processes described herein. Device 200 may perform these processes based on processor 204 executing software instructions stored by a computer-readable medium, such as memory 206 and/or storage component 208. A computer-readable medium (e.g., a non-transitory computer-readable medium) is defined herein as a non-transitory memory device. A memory device includes memory space located inside of a single physical storage device or memory space spread across multiple physical storage devices.
Software instructions may be read into memory 206 and/or storage component 208 from another computer-readable medium or from another device via communication interface 214. When executed, software instructions stored in memory 206 and/or storage component 208 may cause processor 204 to perform one or more processes described herein. Additionally or alternatively, hardwired circuitry may be used in place of or in combination with software instructions to perform one or more processes described herein. Thus, embodiments or aspects described herein are not limited to any specific combination of hardware circuitry and software.
Memory 206 and/or storage component 208 may include data storage or one or more data structures (e.g., a database, and/or the like). Device 200 may be capable of receiving information from, storing information in, communicating information to, or searching information stored in the data storage or one or more data structures in memory 206 and/or storage component 208. For example, the information may include input data, output data, or any combination thereof.
The number and arrangement of components shown in
Referring now to
As shown in
In some non-limiting embodiments or aspects, safety device 102 may receive a message associated with an RF signal parameter of reception. For example, safety device 102 may receive a message transmitted by a device, where the message was received at a power level, at a quality factor, and/or with a phase measurement. In some non-limiting embodiments or aspects, the message may include data associated with an RF signal parameter of transmission. For example, the message may include data associated with a power level at which the message was transmitted.
In some non-limiting embodiments or aspects, safety device 102 may receive a plurality of messages from a device, each message received at a power level. For example, safety device 102 may receive the plurality of messages at a power level from a device (e.g., a beacon device, a radio, another safety device 102, and/or the like) that transmits each message at a specified power level.
In some non-limiting embodiments, the device that transmits the plurality of messages may be in a transmit state. For example, the device that transmits the plurality of messages may include safety device 102 that is in a transmit state. In some non-limiting embodiments or aspects, the device that is in the transmit state may transmit a message (e.g., one or more messages, a plurality of messages, and/or the like) that is to be used (e.g., by safety device 102, by local monitoring device 104, and/or by remote monitoring device 106) to determine a location of the device that transmitted the message.
In some non-limiting embodiments or aspects, the device that transmits the plurality of messages may transmit the plurality of messages at a predetermined rate (e.g., one message per millisecond, one message per second, and/or the like). For example, the device may transmit a plurality of messages in a time interval (e.g., one millisecond, one second, and/or the like). In some non-limiting embodiments or aspects, the device may transmit all of the plurality of messages in a second. For example, the device may transmit four messages in a second, twenty messages per second, forty messages per second, 372 messages per second, 1,488 messages per second, and/or the like. In some non-limiting embodiments or aspects, the device may transmit the plurality of messages at a power level during a time interval. For example, the device may transmit a plurality of messages, where each message is transmitted at the same power level during the time interval.
In some non-limiting embodiments or aspects, the device may transmit the plurality of messages during a time interval, where each message is transmitted at a specified power level. For example, the device may transmit a first message at a first power level during the time interval, a second message at a second power level during the time interval, a third message at a third power level during the time interval, and a fourth message at a fourth power level during the time interval. In some non-limiting embodiments or aspects, each of the power levels may be different. Additionally, or alternatively, one or more of the power levels may be different from one or more of the other power levels. In some non-limiting embodiments or aspects, the device may transmit a first plurality of messages during a first time interval and a second plurality of messages during a second time interval. For example, the device may transmit the first plurality of messages at one or more power levels, and the second plurality of messages during the second time interval, where the power level of one or more messages of the first plurality of messages corresponds to (e.g., matches) one or more power levels of one or more messages of the second plurality of messages.
In some non-limiting embodiments or aspects, the device may transmit the plurality of messages via a broadcast scheme. For example, the device may transmit the plurality of messages via a broadcast scheme using one or more omnidirectional antennae.
In some non-limiting embodiments or aspects, the device may transmit one or more messages via an ISM frequency band. For example, the device may transmit one or more messages via an ISM frequency band based on the device determining that communication via communication network 110 is unavailable.
In some non-limiting embodiments or aspects, the transmit state may include an alarm state associated with an individual in distress associated with a hazardous environment. In some non-limiting embodiments or aspects, a device that is in the alarm state may transmit a message (e.g., one or more messages, a plurality of messages, and/or the like) that includes an indication that an individual associated with the device (e.g., the individual carrying the device, the individual near the device, the individual assigned to the device, and/or the like) is in distress. Additionally, or alternatively, the transmit state may include a beacon state associated with a device located at a point of ingress and/or egress in the hazardous environment. In some non-limiting embodiments or aspects, a device that is in the beacon state may transmit a message (e.g., one or more messages, a plurality of messages, and/or the like) that includes an indication that the device is associated with a point of ingress and/or egress (e.g., the device is located near the point of ingress and/or egress, the device is located at the point of ingress and/or egress, the device is attached to the point of ingress and/or egress and/or the like) in the hazardous environment.
In some non-limiting embodiments or aspects, a device may transmit one or more messages while in a transmit state, the one or more messages including one or more of: data associated with a distance between a location of the device that is in the transmit state and another device that is in a search state, data associated with a tolerance (e.g., a confidence score) of a value associated with a distance between a location of the device that is in the transmit state and another device that is in a search state, data associated with a device heading of the device in the transmit state, data associated with a signal strength corresponding to a heading of the device in the transmit state, data associated with an identity of an individual operating a device at a location that is closer to the device in the transmit state than a location of another device, data associated with one or more identities of one or more individuals operating devices that are in a search state with a stronger (e.g., higher) value associated with a heading than one or more other individuals operating devices that are in a search state, and/or the like. Additionally, or alternatively, a device may transmit one or more messages while in a transmit state, the one or more messages including one or more of: data associated with an SCBA configured to be in communication with the device in the transmit state, data associated with the state of the device in the transmit state, data associated with an amount of time in which the device in the transmit state has been in the transmit state, data associated with a temperature measured at the device in the transmit state (e.g., via a temperature sensor included in the device), data associated with a location of the device in a transmit state, and/or the like.
In some non-limiting embodiments or aspects, safety device 102 may receive the plurality of messages transmitted by the device that is in the transmit state. For example, safety device 102 that receives the plurality of messages (e.g., transmitted by the device that is in the transmit state) may include safety device 102 that is in a search state. In some non-limiting embodiments or aspects, safety device 102 that is in the search state may receive a message (e.g., one or more messages, a plurality of messages, and/or the like) to determine the location of the device that is transmitting the message. In some non-limiting embodiments or aspects, safety device 102 that is in the search state may receive a message (e.g., one or more messages, a plurality of messages, and/or the like) that is to be used (e.g., by safety device 102, by local monitoring device 104, and/or by remote monitoring device 106) to determine a location of the device that transmitted the message.
In some non-limiting embodiments or aspects, the search state may include a search-for-individual state associated with searching for an individual in distress associated with a hazardous environment or a search-for-exit state associated with searching for a point of ingress and/or egress of a structure that may include the hazardous environment.
In some non-limiting embodiments or aspects, the transmit state may include a search-for-individual state associated with searching for an individual in distress associated with a hazardous environment. In some non-limiting embodiments or aspects, a safety device that is in the search-for-individual state may receive a message (e.g., one or more messages, a plurality of messages, and/or the like) that includes an indication that an individual associated with the device (e.g., the individual carrying the device, the individual near the device, the individual assigned to the device, and/or the like) is in distress. Additionally, or alternatively, the search state may include a search-for-exit state associated with searching for a point of ingress and/or egress in the hazardous environment. In some non-limiting embodiments or aspects, a safety device that is in the search-for-exit state may receive a message (e.g., one or more messages, a plurality of messages, and/or the like) that includes an indication that the device that transmitted the message is associated with a point of ingress and/or egress in the hazardous environment.
In some non-limiting embodiments or aspects, a device may transmit one or more messages while in a search state, the one or more messages including one or more of: data associated with an individual operating the device in the search state, data associated with a distance between a location of the device that is in the search state and another device that is in a search state or a transmit state, data associated with a tolerance (e.g., a confidence score) of a value associated with a distance between a location of the device that is in the search state and another device that is in a transmit state, data associated with a device heading of the device in the search state, data associated with a signal strength corresponding to a heading of the device in the search state, data associated with a link quality corresponding to a heading of the device in the search state, data associated with an identity of an individual operating a device at a location that is closer to the device in the search state than a location of another device, data associated with one or more identities of one or more individuals operating devices that are in a search state with a stronger (e.g., higher) value associated with a heading than one or more other individuals operating devices that are in a search state, and/or the like. Additionally, or alternatively, a device may transmit one or more messages while in a search state, the one or more messages including one or more of: data associated with an SCBA configured to be in communication with the device in the transmit state, data associated with the state of the device in the search state, data associated with an amount of time in which a device in the transmit state has been in the transmit state, data associated with a temperature measured by the device in the transmit state, data associated with a location of the device in a transmit state, data associated with the identity of the individual operating the device in the transmit state, and/or the like.
In some non-limiting embodiments or aspects, a device in a transmit state and/or a device in a search state may receive one or more messages from local monitoring device 104 and/or remote monitoring device 106. For example, a device in a transmit state and/or a device in a search state may receive one or more messages from local monitoring device 104 and/or remote monitoring device 106 including one or more of: data associated with a beacon device (e.g., a device that is in a beacon state, safety device 102 that is in a beacon state, and/or the like), data associated with an identity of an individual operating a device in a transmit state, data associated with an identity of one or more individuals operating one or more devices in a search state, data associated with a location of a device that is in a search state that is closer to the location of a device that is in a transmit state than a location of another device that is in a search state, data associated with one or more devices that have determined a value associated with a heading that is greater than one or more other devices, data associated with an indication to prompt one or more individuals to exit a structure, data associated with an indication to check in (e.g., provide input at a device to indicate that the individual operating the device is okay), and/or the like.
In some non-limiting embodiments or aspects, safety device 102 may receive one or more messages of the plurality of messages from the device (e.g., a beacon device, a radio, another safety device 102 in a transmit state, and/or the like) via a short-range wireless communication connection. For example, safety device 102 may receive the one or more messages from another safety device 102 via an antenna (e.g., a directional antenna) of safety device 102. In such an example, safety device 102 may be configured to receive the one or more messages over the short-range wireless communication connection.
In some non-limiting embodiments or aspects, safety device 102 may receive a first message at a first power level and a second message at a second power level from a device (e.g., another safety device 102 in the transmit state). For example, safety device 102 may receive the first message at the first power level and the first message may include data associated with a power level at which the first message was transmitted by the device. In this example, safety device 102 may receive a second message at a second power level from the device and the second message may include data associated with a power level at which the second message was transmitted by the device. In some non-limiting embodiments or aspects, the first power level at which the first message was transmitted may be different from the second power level at which the second message was transmitted. In some non-limiting embodiments or aspects, the first message and/or the second message may include data associated with a device identifier of the device that transmitted the message (e.g., a device identifier of safety device 102), data associated with a message identifier of the message (e.g., an identifier assigned to the message by the device that transmitted the message), and/or data associated with a time at which the message was transmitted (e.g., a time associated with a time zone, a time at which the device that transmitted the message transition from a first state (e.g., a default operating state where safety device 102 is not transmitting in a search state or in a transmit state but may periodically transmit a message that includes data associated with a location of safety device 102) to the transmit state, and/or the like), and/or the like. Additionally, or alternatively, the first message and/or the second message may include data associated with one or more safety devices 102 that are in a search state and/or data associated with one or more safety devices 102 that are searching for the device that transmitted the first message and/or the second message (e.g., data associated with a location of safety device 102 that is searching for the device that transmitted the message, data associated with a distance between a location of safety device 102 that is searching for the device that transmitted the message and a location of the device that transmitted the message, and/or the like).
In some non-limiting embodiments or aspects, safety device 102 may transition from a first state (e.g., a default operating state) to a second state (e.g., a transmit state) based on safety device 102 determining that one or more conditions exist. For example, safety device 102 may transition from the first state to the transmit state based on safety device 102 determining that safety device 102 has not moved for a period of time (e.g., thirty-seconds, one minute, and/or the like). In such an example, safety device 102 may determine that safety device 102 has not moved for a period of time based on data associated with movement of safety device 102 generated by an inertial measurement unit (IMU) of safety device 102 indicating that an individual operating safety device 102b is injured. Additionally, or alternatively, safety device 102 may transition to a beacon state based on input indicating that safety device 102 should transition to the beacon state. In such an example, safety device 102 may transition to the beacon state based on safety device 102 receiving input via an input component of safety device 102 (e.g., a button and/or the like) indicating that safety device 102 is at a point of ingress and/or egress (e.g., a location of a building such as a doorway, a door, a window, and/or the like) where one or more other safety devices 102 should navigate toward when entering and/or exiting a structure.
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In some non-limiting embodiments or aspects, safety device 102 may determine an RF signal parameter of reception of a message. For example, safety device 102 may determine a power level at which a message was received, at a quality factor, and/or with a phase measurement. In some non-limiting embodiments or aspects, safety device 102 may determine data associated with an RF signal parameter of transmission. For example, safety device 102 may determine data associated with an RF signal parameter of transmission of a message based on data associated with a power level at which the message was transmitted that is included in the message.
In some non-limiting embodiments or aspects, safety device 102 may determine an indication of alignment with the device that transmitted a message. For example, safety device 102 may determine an indication of alignment of safety device 102 with the device that transmitted a message based on one or more messages received by safety device 102. In an example, safety device 102 may determine an indication of alignment of safety device 102 with the device that transmitted a message based on one or more RF signal parameters of reception of a message. In another example, safety device 102 may determine an indication of alignment of safety device 102 with the device that transmitted a message based on one or more RF signal parameters of transmission of a message. In some non-limiting embodiments or aspects, the indication of alignment may be an indication of whether a boresight of a directional antenna of safety device 102 is aligned with a primary node of radiation of an antenna (e.g., an omnidirectional antenna, a directional antenna, and/or the like) of a device (e.g., a safety device 102, another safety device 102, and/or the like) that transmitted a message. For example, the indication of alignment may be an indication of whether a boresight of a directional antenna of safety device 102 may be within +/−20° of an axis along the primary node of radiation (e.g., the boresight) of the antenna of the device that transmitted the message.
In some non-limiting embodiments or aspects, safety device 102 may determine a heading toward a device. For example, safety device 102 may determine a heading toward another safety device 102 that is in a transmit state. In such an example, the heading toward safety device 102 that is in the transmit state may be associated (e.g., may represent) with one or more of a direction, a path, and/or the like, that safety device 102 may travel along when advancing toward safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on the first message and/or the second message transmitted by safety device 102 that is in the transmit state. For example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on one or more values of one or more parameters associated with the first message and/or the second message received by safety device 102. In some non-limiting embodiments or aspects, the one or more parameters associated with the first message and/or the second message received by safety device 102 may be associated with (e.g., represent) one or more signals received by safety device 102. For example, the one or more parameters associated with the first message and/or the second message may represent a signal quality (e.g., a link quality (e.g., a signal-to-noise ratio) associated with one or more signals, a received signal strength indicator (RSSI) associated with one or more signals, and/or the like) of the first and/or second message received by safety device 102. Additionally, or alternatively, the one or more parameters associated with the first message and/or the second message may represent a phase measurement associated with one or more signals of the first message and/or the second message received by safety device 102. Additionally, or alternatively, the one or more parameters associated with the first message and/or the second message may represent the first power level at which the first message and/or the second message was received by safety device 102, and/or the power level at which the first message and/or the second message was transmitted by safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may determine the heading toward safety device 102 that is in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may determine the one or more values of one or more parameters associated with the first message received by safety device 102 and/or the second message received by safety device 102. For example, safety device 102 may determine the one or more values of the one or more parameters associated with the first message received by safety device 102 and/or the second message received by safety device 102 based on data associated with the one or more parameters generated by an antenna (e.g., by a transceiver module of an antenna such as a transceiver module of an omnidirectional antenna and/or a transceiver module of directional antenna). In some non-limiting embodiments or aspects, one or more processors of safety device 102 may receive the data associated with the one or more parameters generated by the antenna based on the antenna receiving the one or more messages.
In some non-limiting embodiments or aspects, safety device 102 may determine the first power level at which the first message was received based on data associated with a power level at which the first message was received and safety device 102 may determine the second power level at which the second message was received based on data associated with the second message. For example, safety device 102 may determine the first power level at which the first message was received based on safety device 102 receiving data from an antenna (e.g., from a transceiver module of an omnidirectional antenna or from a transceiver module of a directional antenna) of safety device 102 that is in the transmit state. In such an example, the data associated with the power level received from the antenna may represent the power level at which the first message was received (e.g., data associated with a received signal strength indicator (RSSI), and/or the like). Additionally, or alternatively, safety device 102 may determine the second power level at which the second message was received based on safety device 102 receiving data associated with the power level received from the antenna of safety device 102, the data associated with the power level at which the second message was received (e.g., data associated with an RSSI and/or the like).
In some non-limiting embodiments or aspects, safety device 102 may determine an indication of alignment with the device that transmitted a message based on a first alignment value and a second alignment value. For example, safety device 102 may determine an indication of alignment with the device that transmitted a message based on safety device 102 determining a first alignment value (e.g., a value representing a power level at which a message was received, a value representing an average of power levels at which a plurality of messages were received, a value representing a power level at which a message was received that was normalized (e.g., converted from one value to a corresponding (e.g., scaled) second value), a value representing an average of power levels at which a plurality of messages were received that was normalized, and/or the like) and a second alignment value. In such an example, the first alignment value may correspond to the first message and the second alignment value may correspond to the second message. In some non-limiting embodiments or aspects, safety device 102 may determine the first alignment value based on safety device 102 multiplying the first power level at which the first message was received by a first scaling factor. For example, safety device 102 may determine the first alignment value based on safety device 102a multiplying the first power level at which the first message was received by a first scaling factor, the first scaling factor corresponding to messages transmitted at the first power level by safety device 102 in the transmit state. Additionally, or alternatively, safety device 102a may determine the second alignment value based on safety device 102 multiplying the second power level at which the second message was received by a second scaling factor. For example, safety device 102 may determine the second alignment value based on safety device 102 multiplying the second power level at which the second message was received by a second scaling factor. In such an example, the second scaling factor may correspond to messages transmitted at the second power level by safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may determine the alignment with the device that transmitted a message based on the first alignment value and the second alignment value. For example, safety device 102 may determine the alignment with the device that transmitted a message based on safety device 102 adding the first alignment value and the second alignment value to generate a value representing alignment toward safety device 102 that is in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on a first heading value and a second heading value. For example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on safety device 102 determining a first heading value (e.g., a value representing a power level at which a message was received, a value representing an average of power levels at which a plurality of messages were received, a value representing a power level at which a message was received that was normalized (e.g., converted from one value to a corresponding (e.g., scaled) second value), a value representing an average of power levels at which a plurality of messages were received that was normalized, and/or the like) and a second heading value. In such an example, the first heading value may correspond to the first message and the second heading value may correspond to the second message. In some non-limiting embodiments or aspects, safety device 102 may determine the first heading value based on safety device 102 multiplying the first power level at which the first message was received by a first scaling factor. For example, safety device 102 may determine the first heading value based on safety device 102a multiplying the first power level at which the first message was received by a first scaling factor, the first scaling factor corresponding to messages transmitted at the first power level by safety device 102 in the transmit state. Additionally, or alternatively, safety device 102a may determine the second heading value based on safety device 102 multiplying the second power level at which the second message was received by a second scaling factor. For example, safety device 102 may determine the second heading value based on safety device 102 multiplying the second power level at which the second message was received by a second scaling factor. In such an example, the second scaling factor may correspond to messages transmitted at the second power level by safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on the first heading value and the second heading value. For example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on safety device 102 adding the first heading value and the second heading value to generate a value representing a heading toward safety device 102 that is in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may determine an indication of alignment with the device that transmitted a message based on the first alignment value, the second alignment value, and a third alignment value. For example, safety device 102 may determine the indication of alignment with the device that transmitted a message based on safety device 102 determining the first alignment value, the second alignment value, and a third alignment value. In such an example, safety device 102 may determine the first alignment value and the second alignment value as described above, and safety device 102 may determine the third alignment value based on safety device 102 determining that a third message was not received from the device that transmitted the first message and the second message. In some non-limiting embodiments or aspects, safety device 102 may determine that the third alignment value corresponds to a predetermined value (e.g., a value associated with a message that was not received, a value associated with a message that was not received at one or more power levels, and/or the like). For example, safety device 102 may determine that the third alignment value corresponds to a predetermined value based on safety device 102 determining that the third message was not received from the device that transmitted the first message and the second message. In some non-limiting embodiments or aspects, safety device 102 may determine the alignment with the device that transmitted a message based on safety device 102 adding the first alignment value, the second alignment value, and the third alignment value to generate a value representing an alignment toward the device that transmitted the first message and the second message.
In some non-limiting embodiments or aspects, safety device 102 may determine the heading toward the device in the transmit state based on the first heading value, the second heading value, and a third heading value. For example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on safety device 102 determining the first heading value, the second heading value, and a third heading value. In such an example, safety device 102 may determine the first heading value and the second heading value as described above, and safety device 102 may determine the third heading value based on safety device 102 determining that a third message was not received from safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may determine that the third heading value corresponds to a predetermined value (e.g., a value associated with a message that was not received, a value associated with a message that was not received at one or more power levels, and/or the like). For example, safety device 102 may determine that the third heading value corresponds to a predetermined value based on safety device 102 determining that the third message was not received from safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may determine the heading toward safety device 102 based on safety device 102 adding the first heading value, the second heading value, and the third heading value to generate a value representing a heading toward safety device 102 that is in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may receive a third message at a third power level. For example, safety device 102 may receive a third message at a third power level from safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, the third message may include data associated with a power level at which the third message was transmitted by safety device 102.
In some non-limiting embodiments or aspects, safety device 102 may determine that the power level at which the third message was transmitted by the device that transmitted the first message and the second message corresponds to the power level at which the first message was transmitted by the device that transmitted the first message and the second message or the power level at which the second message was transmitted by the device that transmitted the first message and the second message. For example, safety device 102 may determine that the power level at which the third message was transmitted by the device that transmitted the first message and the second message corresponds to the power level at which the first message was transmitted by the device that transmitted the first message and the second message or the power level at which the second message was transmitted by the device that transmitted the first message and the second message based on safety device 102 comparing the power level at which the third message was transmitted to the power level at which the first message was transmitted or the power level at which the second message was transmitted. In some non-limiting embodiments or aspects, safety device 102 may determine that the third message is a duplicate message that corresponds to the first message or the second message. For example, safety device 102 may determine that the third message is a duplicate message that corresponds to the first message or the second message based on safety device 102 determining that the power level at which the third message was transmitted by the device that transmitted the first message and the second message corresponds to the power level at which the first message was transmitted by the device that transmitted the first message and the second message or the power level at which the second message was transmitted by the device that transmitted the first message and the second message. Additionally, or alternatively, safety device 102 may determine that the third message is a duplicate message that corresponds to the first message or the second message based on data associated with the first message, data associated with the second message, and/or data associated with the third message. For example, safety device 102 may compare the data associated with the first message, data associated with the second message, and/or data associated with the third message (e.g., data associated with the message identifiers included in the first message, the second message, and the third message) and safety device 102 may determine that the third message is a duplicate message that corresponds to the first message or the second message. In such an example, safety device 102 may determine that the third message is a duplicate message that corresponds to the first message or the second message based on safety device 102 determining that a portion or all of the data associated with the message identifiers included in the first message or the second message is associated (e.g., matches) with data included in the third message.
In some non-limiting embodiments or aspects, safety device 102 may determine the alignment with the device that transmitted a message independent of (e.g., without) the third message. For example, safety device 102 may determine the alignment with the device that transmitted a message independent of the third message, where the third message is a duplicate of the first message or the second message. In such an example, safety device 102 may determine the heading toward alignment with the device that transmitted a message based on safety device 102 determining that the third message is a duplicate of the first message or the second message. Additionally, or alternatively, safety device 102 may determine the alignment with the device that transmitted a message based on safety device 102 determining that the third message is a duplicate message of a message that was not received. For example, safety device 102 may determine the heading toward alignment with the device that transmitted a message based on safety device 102 determining that the third message corresponds to the first message or the second message, and safety device 102 determining that the first message or the second message that corresponds to the third message was not received. In such an example, safety device 102 may determine the alignment with the device that transmitted a message based on safety device 102 substituting the third message for the first message or the second message that corresponds to the third message.
In some non-limiting embodiments or aspects, safety device 102 may determine the heading toward the device in the transmit state independent of (e.g., without) the third message. For example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state independent of the third message, where the third message is a duplicate of the first message or the second message. In such an example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on safety device 102 determining that the third message is a duplicate of the first message or the second message. Additionally, or alternatively, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on safety device 102 determining that the third message is a duplicate message of a message that was not received. For example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on safety device 102 determining that the third message corresponds to the first message or the second message, and safety device 102 determining that the first message or the second message that corresponds to the third message was not received. In such an example, safety device 102 may determine the heading toward safety device 102 that is in the transmit state based on safety device 102 substituting the third message for the first message or the second message that corresponds to the third message.
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In some non-limiting embodiments or aspects, safety device 102a may output data associated with an indication of alignment with a device to cause one or more components of safety device 102a to provide the indication of alignment with a device via the one or more components. For example, safety device 102 may output data associated with an indication of alignment with a device to cause a display device of safety device 102 to display the indication of alignment with a device. Additionally, or alternatively, safety device 102 may output data with an indication of alignment with a device to cause a speaker (e.g., a speaker included in safety device 102, a speaker connected to safety device 102 via a wired and/or wireless connection, and/or the like) to generate the audible indication of the indication of alignment with a device.
In some non-limiting embodiments or aspects, safety device 102 may output data associated with an indication of the heading. For example, safety device 102 may output data associated with an indication of the heading. In such an example, safety device 102 may output data associated with an indication of the heading toward safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may output data associated with a visual indication of the heading toward safety device 102 that is in the transmit state (e.g., an arrow representing a heading, a point along a plurality of points that represent a plurality of headings, a path representing a heading, and/or the like). Additionally, or alternatively, safety device 102 may output data associated with an audible indication of the heading toward safety device 102 that is in the transmit state (e.g., a tone, a series of tones, a tone emitted at a first volume, a series of tones emitted at one or more volumes, and/or the like).
In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a distance between the location of safety device 102 and safety device 102 that is in the transmit state. For example, safety device 102 may receive data via a ranging subsystem, the data associated with a distance between the location of safety device 102 and the location of safety device 102 that is in the transmit state. In some non-limiting embodiments or aspects, the ranging system may include one or more omnidirectional antennae (e.g., two omnidirectional antennae (e.g., two omnidirectional antennae that are in a cross-polarized configuration), two directional antennae, a radio comprising a phase measurement unit, a processor (e.g., a microprocessor) having instructions thereon configured to cause the processor to execute one or more algorithms to derive the distance, and/or the like). Examples of ranging subsystems may include the Decawaves DW1000 module, the Nanotrons NA5TR1, and/or the like. In some non-limiting embodiments or aspects, the ranging subsystem may incorporate a phase measurement unit built into a radio such as an 802.15.1 and/or an 802.15.4 radio. Continuous waveforms may be transmitted between the radios at discrete steps (e.g., 1 MHz) across a 2.4 GHz spectrum and the phase measurements may be determined the continuous wave (CW) of each discrete step. Once the discrete phases are read, a deconvolution method such as an IFFT, or a subspace based technique such as MUSIC algorithm, may be determined to derive the distance. In some non-limiting embodiments or aspects, antennae included in the ranging subsystem (e.g., one or more omnidirectional antennae and/or one or more omnidirectional antennae) may be configured to transmit and/or receive messages in a 2.4 GHz band.
In some non-limiting embodiments or aspects, safety device 102 may output data associated with an indication of the distance between the location of safety device 102 and the location of safety device 102 that is in the transmit state when safety device 102 outputs data associated with the indication of the heading. In some non-limiting embodiments or aspects, safety device 102a may output data associated with an indication of the heading to cause one or more components of safety device 102a to provide the indication of the heading via the one or more components. For example, safety device 102 may output data associated with an indication of the heading to cause a display device of safety device 102 to display the indication of the heading. Additionally, or alternatively, safety device 102 may output data with an indication of the heading to cause a speaker (e.g., a speaker included in safety device 102, a speaker connected to safety device 102 via a wired and/or wireless connection, and/or the like) to generate the audible indication of the heading toward the device in the transmit state.
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In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a location of safety device 102. For example, safety device 102 may receive data associated with a location of safety device 102 generated by a GPS receiver. Additionally, or alternatively, safety device 102 may receive data associated with a location of safety device 102 generated by an IMU. In some non-limiting embodiments or aspects, the GPS receiver and/or the IMU may be included in safety device 102. In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a location of safety device 102 generated by one or more components of an IMU independent of safety device 102 receiving data associated with a location of safety device 102 generated by one or more components of a GPS receiver.
In some non-limiting embodiments or aspects, safety device 102 may receive data associated with movement of safety device 102. For example, safety device 102 may receive data associated with the movement of safety device 102 from a first location to a second location. In some non-limiting embodiments or aspects, safety device 102 may not receive data associated with a location of safety device 102 generated by a GPS receiver as safety device 102 moves from the first location to the second location. For example, safety device 102 may not receive data associated with an absolute location of safety device 102 generated by the GPS receiver of safety device 102 as safety device 102 moves from the first location to the second location. In some non-limiting embodiments or aspects, safety device 102 may receive data associated with the movement of safety device 102 generated by the IMU. For example, safety device 102 may receive data associated with the movement of the device generated by the IMU of safety device 102. In some non-limiting embodiments or aspects, safety device 102 may receive data associated with movement of safety device 102 from the first position to the second position, where the second position is associated with a hazardous environment (e.g., a loss of signal environment in which data associated with the location of safety device 102 cannot be generated by a GPS receiver and/or communication network 110).
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In some non-limiting embodiments or aspects, where safety device 102 that received the data associated with the location of safety device 102 is the safety device 102 that is in the transmit state, safety device 102 may transmit a plurality of messages. For example, where safety device 102 is the safety device 102 that is in the transmit state, safety device 102 that is in the transmit state may transmit a plurality of messages comprising data associated with a power level at which the one or more messages were transmitted by safety device 102 that is in the transmit state and the data associated with the location of safety device 102 that is in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may receive a plurality of messages from safety device 102 that is in the transmit state and safety device 102 may transmit (e.g., repeat a portion or all of) data associated with the one or more messages received from safety device 102 that is in the transmit state and/or data associated with the location of safety device 102 to local monitoring device 104 and/or remote monitoring device 106. For example, safety device 102 may receive a plurality of messages from safety device 102 that is in the transmit state and safety device 102 may transmit data associated with the one or more messages received from safety device 102 that is in the transmit state and/or data associated with the location of safety device 102 to local monitoring device 104 via a short-range wireless communication connection and/or via communication network 110. Additionally, or alternatively, safety device 102 may receive a plurality of messages from safety device 102 that is in the transmit state and safety device 102 may transmit (e.g., repeat a portion or all of) data associated with the one or more messages received from safety device 102 that is in the transmit state and/or data associated with the location of safety device 102 to remote monitoring device 106 via communication network 110.
In some non-limiting embodiments or aspects, safety device 102a may receive data associated with safety device 102 that is not in a transmit state. For example, safety device 102 may receive data associated with safety device 102 that is not in a transmit state, where the data associated with safety device 102 that is not in a transmit state includes data associated with a location of safety device 102 that is not in a transmit state. In such an example, the location of safety device 102 that is not in a transmit state may be an absolute location or a relative location of safety device 102 that is not in a transmit state. In some non-limiting embodiments or aspects, safety device 102 may receive the data associated with safety device 102 that is not in a transmit state based on safety device 102 transmitting data associated with an indication that safety device 102 that is in the transmit state is, in fact, in the transmit state. For example, safety device 102 may receive the data associated with safety device 102 that is not in the transmit state based on safety device 102 that is in the transmit state transmitting one or more messages, the one or more messages including data associated with an indication that safety device 102 that is in the transmit state is, in fact, in the transmit state. In such an example, the data associated with the indication that safety device 102 is in the transmit state may be configured to cause safety device 102 that is not in a transmit state to transmit the data associated with safety device 102 that is not in a transmit state.
In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a first distance, the first distance being a distance from a location of safety device 102 to a location of safety device 102 that is in a transmit state. For example, safety device 102 may receive data associated with a first distance from a location of safety device 102 to a location of safety device 102 that is in a transmit state via a ranging subsystem. In such an example, safety device 102 may receive data associated with a first distance from a location of safety device 102 to a location of safety device 102 that is in a transmit state via a ranging sensor while safety device 102 is in the transmit state. Additionally, or alternatively, safety device 102 may receive data associated with a second distance. For example, safety device 102 may receive data associated with a second distance, the second distance being a distance from a location of safety device 102 to a location of safety device 102 that is not in a transmit state. For example, safety device 102 may receive data associated with a second distance from a location of safety device 102 to a location of safety device 102 that is not in a transmit state via the ranging sensor. In some non-limiting embodiments or aspects, safety device 102 may determine the second distance. For example, safety device 102 may determine the second distance based on safety device 102 comparing the location of safety device 102 to the location of safety device 102 that is not in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may determine that the location of safety device 102 is closer to the location of the safety device 102 that is in the transmit state than the location of safety device 102 that is not in the transmit state. For example, safety device 102 may determine that the location of safety device 102 is closer to the location of safety device 102 that is in the transmit state than the location of safety device 102 that is not in the transmit state. In some non-limiting embodiments or aspects, safety device 102 may determine that the location of safety device 102 is closer to the location of safety device 102 that is in the transmit state than the location of safety device 102 that is not in the transmit state based on the first distance and the second distance. In some non-limiting embodiments or aspects, safety device 102 may determine that the location of the safety device 102 is closer to the location of safety device 102 that is in the transmit state than the location of safety device 102 that is not in the transmit state based on safety device 102 comparing the first distance and the second distance. For example, safety device 102 may compare the first distance and the second distance, and safety device 102 may determine that the first distance is greater than, equal to, and/or less than the second distance. In an example, safety device 102 may determine that the first distance is less than the second distance and safety device 102 may determine that the location of safety device 102 is closer to the location of safety device 102 that is in the transmit state as opposed to the location of safety device 102 that is not in the transmit state. Additionally, or alternatively, safety device 102 may determine that the first distance is greater than and/or equal to the second distance and safety device 102 may determine that the location of safety device 102 is farther to the location of safety device 102 that is in the transmit state as opposed to the location of safety device 102 that is not in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may cause a safety device to transition to a search state. For example, safety device 102 may cause safety device 102 and/or safety device 102 that is not in the transmit state to transition to a search state. In such an example, safety device 102 may cause safety device 102 to transition to a search state based on safety device 102 determining that the location of safety device 102 is closer to the location of safety device 102 that is in the transmit state as opposed to the location of safety device 102 that is not in the transmit state. Additionally, or alternatively, safety device 102 may cause safety device 102 that is not in the transmit state to transition to a search state. For example, safety device 102 may cause safety device 102 that is not in a transmit state to transition to a search state based on safety device 102 determining that the location of safety device 102 is farther to the location of safety device 102 that is in the transmit state as opposed to the location of safety device 102 that is not in the transmit state. In such an example, safety device 102 may transmit data associated with transitioning safety device 102 that is not in the transmit state to the search state, the data configured to cause safety device 102 that is not in the transmit state to transition to the search state.
In some non-limiting embodiments or aspects, safety device 102 may be configured to transition safety device 102 to a search state based on data associated with the indication that safety device 102 that is in a transmit state is, in fact, in a transmit state. For example, safety device 102 may be configured to transition safety device 102 to a search state based on safety device 102 receiving the data associated with an indication that safety device 102 that is in the transmit state is, in fact, in a transmit state. In some non-limiting embodiments or aspects, when in the search state, safety device 102 may be configured to broadcast one or more messages including data associated with the location of safety device 102 and/or the first distance between the location of safety device 102 and the location of safety device 102 that is in the transmit state. For example, when in the search state, safety device 102 may be configured to broadcast one or more messages including data associated with the location of safety device 102 (e.g., a relative location of safety device 102 and/or an absolute location of safety device 102). In such an example, safety device 102 may additionally, or alternatively, include data associated with the first distance between the location of safety device 102 and the location of safety device 102 that is in the transmit state.
In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a location of safety device 102 that is in a transmit state and safety device 102 may receive data associated with a location of local monitoring device 104. For example, safety device 102 may receive data associated with a relative location and/or an absolute location of safety device 102 that is in a transmit state and safety device 102 may receive data associated with a relative location and/or an absolute location of local monitoring device 104. In such an example, safety device 102 may receive data associated with a distance from the location of safety device 102 that is in the transmit state to the location of safety device 102 and/or a distance from local monitoring device 104 to the location of safety device 102. In some non-limiting embodiments or aspects, safety device 102 may determine an area in which safety device 102 that is in the transmit state is located. For example, safety device 102 may determine an area in which safety device 102 that is in the transmit state is located based on the location of safety device 102 that is in the transmit state, the location of safety device 102, and/or the location of local monitoring device 104. Additionally, or alternatively, safety device 102 may determine an area in which safety device 102 that is in the transmit state is not located. For example, safety device 102 may determine an area in which safety device 102 that is in the transmit state is not located based on the location of safety device 102 that is in the transmit state, the location of safety device 102, and/or the location of local monitoring device 104. In some non-limiting embodiments or aspects, local monitoring device 104 may include another safety device 102 that is configured to be in communication with one or more of safety devices 102. Additionally, or alternatively, local monitoring device 104 may include a beacon device (e.g., another safety device 102 that is in a beacon state). For example, local monitoring device 104 may be configured to be in communication with one or more of safety devices 102 that are in a beacon state. In such an example, one or more safety devices (e.g., one or more of safety devices 102) may be configured to transition to an exit state and provide output via one or more components of the one or more safety devices in a manner similar to a safety device in a search state to guide the safety device 102 in the exit state toward the safety device in the beacon state.
In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a location of safety device 102, data associated with a location of safety device 102 that is in a transmit state, and/or data associated with a location of local monitoring device 104, and safety device 102 may generate a map. For example, safety device 102 may receive data associated with a location of safety device 102 (e.g., an absolute location and/or a relative location of safety device 102a), data associated with a location of safety device 102 that is in a transmit state (e.g., data associated with an absolute location and/or a relative location of safety device 102 that is in a transmit state), and/or data associated with a location of local monitoring device 104 (e.g., an absolute location and/or a relative location of local monitoring device 104), and safety device 102 may generate a map based on the location of one or more of safety device 102, safety device 102 that is in a transmit state, and/or local monitoring device 104. In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a distance between the location of safety device 102 and the location of safety device 102 that is in the transmit state, a distance between the location of safety device 102 and the location of local monitoring device 104, and/or a distance between the location of safety device 102 that is in the transmit state and the location of local monitoring device 104. For example, safety device 102 may receive data associated with a distance between the location of safety device 102 and safety device 102 that is in the transmit state, a distance between the location of safety device 102 and the location of local monitoring device 104 and/or a distance between safety device 102 that is in the transmit state and the location of local monitoring device 104, and safety device 102 may generate the map based on the distance between the location of safety device 102 and safety device 102 that is in the transmit state, the distance between the location of safety device 102 and the location of local monitoring device 104 and/or the distance between safety device 102 that is in the transmit state and the location of local monitoring device 104. In such an example, safety device 102 may receive the data associated with a distance between the location of safety device 102 and the location of safety device 102 that is in the transmit state, a distance between the location of safety device 102 and the location of local monitoring device 104, and/or a distance between the location of safety device 102 that is in the transmit state and the location of local monitoring device 104 in addition to, or alternative to, the data associated with the location of safety device 102, the data associated with the location of safety device 102 that is in the transmit state, and/or the data associated with the location of local monitoring device 104.
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In some non-limiting embodiments or aspects, safety device 102 may receive a notification message from local monitoring device 104 and/or remote monitoring device 106. For example, safety device 102 may receive a notification message from local monitoring device 104 and/or remote monitoring device 106, the notification message including data associated with a request to capture data associated with a distance between a location of safety device 102 and a location of one or more other safety devices 102. In some non-limiting embodiments or aspects, safety device 102 may display a prompt based on safety device 102 receiving the notification message. For example, safety device 102 may receive the notification message and safety device 102 may display the prompt. In such an example, the prompt may include an indication for the individual operating safety device 102 to move safety device 102 (e.g., wave safety device 102 in an arc). In some non-limiting embodiments or aspects, safety device 102 may receive data associated with a distance between a location of safety device 102 and one or more other locations of one or more other safety devices 102 based on safety device 102 displaying the prompt. For example, safety device 102 may receive data associated with a distance between a location of safety device 102 and one or more other locations of one or more other safety devices 102 via a ranging sensor. In some non-limiting embodiments or aspects, safety device 102 may transmit the data to local monitoring device 104 and/or remote monitoring device 106.
In some non-limiting embodiments or aspects, safety device 102 may receive a second location message from another safety device 102 that is in a search state. In some non-limiting embodiments or aspects, another safety device 102 that is in a search state may transmit the second location message based on (e.g., in response to) the another safety device 102 that is in a search state receiving the one or more messages including the indication that safety device 102 is in a transmit state. In some non-limiting embodiments or aspects, the second location message may include one or more of data associated with a device identifier specifying that the another safety device 102 that is in a search state transmitted the one or more messages, data associated with a message identifier identifying the message from among a plurality of messages and/or specifying the message in a sequence from among the plurality of messages, data associated with a location of the another safety device 102 that is in a search state (e.g., an absolute location and/or a relative location of the another safety device 102 that is in a search state), data associated with a distance between the location of safety device 102 and the location of the another safety device 102 that is in a search state, data associated with a state of the another safety device 102 that is in a search state, and/or data associated with a time at which the one or more messages were transmitted.
In some non-limiting embodiments or aspects, safety device 102 may determine a first distance between the location of safety device 102 and the location of safety device 102 that is in a search state. For example, safety device 102 may determine the first distance between the location of safety device 102 and the location of safety device 102 that is in the search state based on the data associated with the location of safety device 102 and the data associated with the location of safety device 102 that is in the transmit state included in the first location message. Additionally, or alternatively, safety device 102 may determine a second distance between the location of safety device 102 and the location of the another safety device 102 that is in a search state. For example, safety device 102 may determine the second distance between the location of safety device 102 and the location of the another safety device 102 that is in a search state based on the data associated with the location of safety device 102 and the data associated with the location of the another safety device 102 that is in a search state included in the second location message.
In some non-limiting embodiments or aspects, safety device 102 may receive data associated with the first distance between the location of safety device 102 and the location of safety device 102 that is in the search state. For example, safety device 102 may receive data associated with the first distance between the location of safety device 102 and the location of safety device 102 that is in a search state via a ranging sensor. In such an example, the ranging sensor may be included in safety device 102 and/or safety device 102 that is in a search state. Additionally, or alternatively, the data associated with the first distance between the location of safety device 102 and the location of safety device 102 that is in a search state may be received via the first location message, as described herein. In some non-limiting embodiments or aspects, safety device 102 may receive data associated with the second distance between the location of safety device 102 and the location of the another safety device 102 that is in a search state. For example, safety device 102 may receive data associated with the second distance between the location of safety device 102 and the location of the another safety device 102 that is in a search state via a ranging sensor. In such an example, the ranging sensor may be included in safety device 102 and/or safety device 102c. Additionally, or alternatively, the data associated with the second distance between the location of safety device 102 and the location of the another safety device 102 that is in a search state may be received via the second location message, as described herein.
In some non-limiting embodiments or aspects, safety device 102 may determine whether the location of safety device 102 that is in a search state or the location of the another safety device 102 that is in a search state is closer to the location of safety device 102. For example, safety device 102 may determine whether the location of safety device 102 that is in a search state or the location of the another safety device 102 that is in a search state is closer to the location of safety device 102 based on the first distance between the location of safety device 102 and the location of safety device 102 that is in a search state and the second distance between the location of safety device 102 and the location of safety device 102c. In such an example, safety device 102 may determine whether the location of safety device 102 that is in a search state or the location of the another safety device 102 that is in a search state is closer to the location of safety device 102 based on safety device 102 comparing the first distance between the location of safety device 102 and the location of safety device 102 that is in a search state to the second distance between the location of safety device 102.
In some non-limiting embodiments or aspects, safety device 102 may determine an absolute location of safety device 102. For example, safety device 102 may determine an absolute location of safety device 102 based on data included in the first location message and/or data included in the second location message. In such an example, safety device 102 may determine an absolute location of safety device 102 based on data associated with the location of safety device 102 that is in a search state included in the first location message and/or data associated with the location of the another safety device 102 that is in a search state included in the second location message. Additionally, or alternatively, safety device 102 may determine an absolute location of safety device 102 based on data associated with the first distance between the location of safety device 102 and the location of safety device 102 that is in a search state and/or data associated with the second distance between the location of safety device 102 and the location of the another safety device 102 that is in a search state
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In some non-limiting embodiments or aspects, safety device 102 may transmit the coordination message to the another safety device 102 that is in a search state, where the coordination message includes data associated with a location of safety device 102 that is in a search state. For example, safety device 102 may transmit the coordination message, where the coordination message includes data associated with an absolute location of safety device 102 that is in a search state and/or data associated with a relative location of safety device 102 that is in a search state. In such an example, the coordination message may be configured to cause the another safety device 102 that is in a search state to display an indication of the location of safety device 102 that is in a search state on a display device of the another safety device 102 that is in a search state.
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In some non-limiting embodiments or aspects, safety device 102 may determine one or more regions included in the image. For example, safety device 102 may determine one or more regions included in the image that correspond to one or more temperatures (e.g., one or more temperatures such as 80 degrees, 98.6 degrees, 120 degrees, and/or the like, one or more ranges of temperatures such as 80-90 degrees, 90-110 degrees, more than 120 degrees, and/or the like, and/or the like). In some non-limiting embodiments or aspects, safety device 102 may determine one or more regions included in the image based on one or more pixels and/or the one or more edges included in the greyscale image. For example, safety device 102 may determine one or more regions included in the greyscale image using an edge detection algorithm. Additionally, or alternatively, safety device 102 may determine the one or more regions included in the image using an image segmentation algorithm (e.g., a region merging algorithm, a region growing algorithm, and/or the like).
In some non-limiting embodiments or aspects, safety device 102 may identify one or more straight edges. For example, safety device 102 may identify one or more straight edges from among the one or more edges included in the image. In such an example, safety device 102 may identify the one or more straight edges from among the one or more edges included in the image, the one or more straight edges corresponding to the one or more edges of the one or more objects in the field of view of the thermal imager. In some non-limiting embodiments or aspects, safety device 102 may identify the one or more straight edges using a straight line detection algorithm. For example, safety device 102 may identify the one or more straight edges using a Hough transform, a convolution-based technique (e.g., a technique involving the use of one or more convolution masks), and/or the like. In some non-limiting embodiments or aspects, safety device 102 may identify one or more sets of straight edges. For example, safety device 102 may identify one or more sets of straight edges from among the one or more edges included in the image and/or from among the one or more straight edges included in the one or more edges in the image. In such an example, safety device 102 may identify the one or more sets of straight edges from among the one or more edges included in the image, the one or more sets of straight edges corresponding to the one or more edges of the one or more objects in the field of view of the thermal imager based on safety device 102 comparing an angle associated with each straight edge with an angle of each other straight edge. In this example, the angle associated with each straight edge may be determined based on a formula (e.g., angle=a tan 2(x1−x0, y1−y0)). In some non-limiting embodiments or aspects, safety device 102 may determine that two or more straight edges are included in a set of straight edges based on safety device 102 determining that each straight edge of the set of straight edges is associated with an angle within a range of angles (e.g., +/−three degrees from an angle). In some non-limiting embodiments or aspects, one or more sets of straightedges may be associated with a predefined signature (e.g., a pattern associated with an ingress and/or egress point, a doorway, a window, and/or the like). In some non-limiting embodiments or aspects, safety device 102 may identify the one or more sets of straight edges using a straight line detection algorithm, as described herein.
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In some non-limiting embodiments or aspects, safety device 102a may overlay the one or more regions included in the image that correspond to one or more temperatures onto the colorized image. For example, safety device 102a may overlay the one or more regions included in the image onto the colorized image. In such an example, safety device 102a may overlay the one or more regions included in the image onto the colorized image based on safety device 102a determining the one or more regions included in the image included in the greyscale image and/or safety device 102a colorizing the image to generate the colorized image. For example, safety device 102a may overlay the one or more regions included in the image onto the colorized image after safety device 102a determines the one or more regions included in the image. Additionally, or alternatively, safety device 102a may overlay the one or more regions included in the image onto the colorized image after safety device 102a generates the colorized image. In some non-limiting embodiments or aspects, safety device 102a may overlay a first region corresponding to a first temperature in a first color and a second region corresponding to a second temperature in a second color, the first color being different from the second color.
In some non-limiting embodiments or aspects, safety device 102a may overlay the one or more edges onto the colorized image in one or more colors. For example, safety device 102a may overlay the one or more straight edges onto the colorized image in a first color. In such an example, the first color may be associated with (e.g., may correspond to) a type of edge (e.g., a straight edge). In another example, safety device 102a may overlay the one or more sets of straight edges onto the colorized image in a second color. In such an example, the second color may be associated with (e.g., may correspond to) a type of edge (e.g., straight edges included in a set of straight edges). The first color may be different from the second color. In another example, safety device 102a may overlay the one or more non-linear edges onto the colorized image in a third color. In such an example, the third color may be associated with (e.g., may correspond to) a type of edge (e.g., non-linear edges). The third color may be different from the first color and/or the second color. In some non-limiting embodiments or aspects, safety device 102a may overlay the one or more regions onto the colorized image in a fourth color. For example, safety device 102a may overlay the one or more regions onto the colorized image in a fourth color that may be the same as and/or different from the first color, the second color, and/or the third color.
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In some non-limiting embodiments or aspects, safety device 102 may resize the colorized image that includes the one or more edges overlaid onto the colorized image. For example, safety device 102 may resize the colorized image that includes the one or more edges overlaid onto the colorized image based on (e.g., before and/or during) safety device 102 outputting data associated with the colorized image that includes the one or more edges overlaid onto the colorized image. In such an example, safety device 102 may resize the color image to fit a size of a display device (e.g., a display device having a resolution of 412×312 pixels and/or the like).
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Outer housing 702-2 may be configured to be coupled to power source housing 702-30. For example, outer housing 702-2 may be configured to be coupled to power source housing 702-30 via a snap-fit connection, via one or more fasteners, and/or the like. In some non-limiting embodiments or aspects, outer housing 702-2 and/or power source housing 702-30 may directly or indirectly support input components 702-4, display device 702-6, audio output device 702-8, PCB 702-10, GPS receiver 702-12, GPS antenna 702-14, second board 702-16, ranging microprocessor 702-18, ranging transceiver 702-20, low-band omnidirectional antenna 702-22, first omnidirectional antenna 702-24, second omnidirectional antenna 702-26, directional antenna 702-28, thermal imager 702-32, processor 702-34, and/or memory 702-36. For example, outer housing 702-2 and/or power source housing 702-30 may be directly and/or operably coupled to GPS receiver 702-12, GPS antenna 702-14, second board 702-16, ranging microprocessor 702-18, ranging transceiver 702-20, low-band omnidirectional antenna 702-22, first omnidirectional antenna 702-24, second omnidirectional antenna 702-26, directional antenna 702-28, thermal imager 702-32, processor 702-34, and/or memory 702-36. In some non-limiting embodiments or aspects, outer housing 702-2 and/or power source housing 702-30 may support PCB 702-10, second board 702-16, and/or directional antenna 702-28 such that a first plane X, Y associated with PCB 702-10 and/or second board 702-16 intersects a second plane X′, Y′ associated with a board included in directional antenna 702-28 at an angle of ±Y°. In some non-limiting embodiments or aspects, the angle of ±Y° may be an angle within a range of about ±0° to ±90°. In some non-limiting embodiments or aspects, outer housing 702-2 and/or power source housing 702-30 may include a metal ring extending at least partially therefrom to enable safety device 702 to be coupled to a harness and/or the like. Additionally, or alternatively, outer housing 702-2 and/or power source housing 702-30 may rotatably support a metal ring extending at least partially therefrom to enable safety device 702 to be coupled to a harness and/or the like.
Input component 702-4 may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34 of safety device 702. For example, input component 702-4 may include one or more buttons (e.g., hardware buttons, capacitive buttons, and/or the like) configured to receive input from an individual and transmit a signal associated with the input to processor 702-34. Input component 702-4 may be the same as or similar to input component 210, as described herein.
Display device 702-6 may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34 of safety device 702. For example, display device 702-6 may include one or more output devices for presenting information (e.g., one or more images). In some non-limiting embodiments or aspects, display device 702-6 may include a liquid crystal display (LCD), a light-emitting diode (LED) display, and/or the like. In some non-limiting embodiments or aspects, display device 702-6 may be the same as, or similar to, output component 212, as described herein. In some non-limiting embodiments or aspects, display device 702-6 may be configured to receive data associated with an output and display device 702-6 may be configured to display one or more images based on the data associated with the output, as described herein. Display device 702-6 may have a layer of protective glass disposed thereon.
Audio output device 702-8 may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34. For example, audio output device 702-8 may include output hardware configured to output one or more audible tones such as a speaker (e.g., a piezo-electric speaker, a coil-driven speaker, and/or the like).
PCB 702-10 may include a circuit board that mechanically and/or electrically connects one or more components of safety device 702. For example, PCB 702-10 may include a circuit board made of fiberglass, composite epoxy, other laminate materials, and/or the like. In some non-limiting embodiments or aspects, PCB 702-10 may directly or indirectly support and/or connect audio output device 702-8, GPS receiver 702-12, GPS antenna 702-14, second board 702-16, ranging microprocessor 702-18, ranging transceiver 702-20, low-band omnidirectional antenna 702-22, first omnidirectional antenna 702-24, second omnidirectional antenna 702-26, directional antenna 702-28, power source housing 702-30, thermal imager 702-32, processor 702-34, and memory 702-36. In some non-limiting embodiments or aspects, PCB 702-10 may extend along a first plane associated with (e.g., defined by) an axis X-Y. In some non-limiting embodiments or aspects, safety device 702 may include a layer of signal absorbent material (e.g., a foam absorber, tuned frequency absorbers such as the MR11-0002-20 or the MR11-0003-20 from MAST Technologies, cavity resonance absorbers such as the MR21-0009-02, carbon conductive coatings, injection molded thermoplastic absorbers such as the Eccosorb from Laird, and/or the like). For example, safety device 702 may include a layer of signal absorbent material configured to absorb signals. In such an example, safety device 702 may include a layer of signal absorbent material configured to absorb signals directed toward the one or more directional antennae in a direction that the one or more directional antennae are not configured to receive the signals from. In some non-limiting embodiments or aspects, PCB 702-10 may include a layer of signal absorbent material disposed about a first side and/or a second side of PCB 702-10.
GPS receiver 702-12, may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34. In some non-limiting embodiments or aspects, GPS receiver 702-12 may include one or more processors and/or one or more memories configured to receive data via GSP antenna 702-14. In some non-limiting embodiments or aspects, GPS receiver 702-12 may generate data associated with a location of safety device 702, as described herein.
GPS antenna 702-14 may include may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34 and/or GPS receiver 702-12.
Second board 702-16 may include a circuit board that mechanically and/or electrically connects one or more components of safety device 702. For example, second board 702-16 may include a circuit board made of fiberglass, composite epoxy, other laminate materials, and/or the like. In some non-limiting embodiments or aspects, second board 702-16 may directly or indirectly support and/or connect ranging processor 702-18 and/or ranging transceiver 702-20. In some non-limiting embodiments or aspects, second board 702-16 may extend along a plane aligned with the first plane X, Y. Additionally, or alternatively, second board 702-16 may extend along a plane aligned with the second plane X′, Y′.
Ranging processor 702-18 may include one or more processors (e.g., one or more processors, one or more microprocessors, and/or the like). For example, ranging processor 702-18 may include one or more electrical components and/or one or more devices capable of being in communication with input component 702-4, display device 702-6, audio output device 702-8, PCB 702-10, GPS receiver 702-12, GPS antenna 702-14, low-band omnidirectional antenna 702-22, first omnidirectional antenna 702-24, second omnidirectional antenna 702-26, directional antenna 702-28, thermal imager 702-32, processor 702-34, and/or memory 702-36. In some non-limiting embodiments or aspects, processor 702-34 may be the same as or similar to processor 204 as described herein.
Ranging transceiver 702-20 may include one or more processors (e.g., one or more processors, one or more microprocessors, and/or the like). For example, ranging transceiver 702-20 may include one or more electrical components and/or one or more devices capable of being in communication with input component 702-4, display device 702-6, audio output device 702-8, PCB 702-10, GPS receiver 702-12, GPS antenna 702-14, low-band omnidirectional antenna 702-22, first omnidirectional antenna 702-24, second omnidirectional antenna 702-26, directional antenna 702-28, thermal imager 702-32, processor 702-34, and/or memory 702-36.
Low-band omnidirectional antenna 702-22 may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34. For example, low-band omnidirectional antenna 702-22 may include an oriented dipole antenna, a discone antenna, a mast radiator, a horizontal loop antenna, and/or the like. In some non-limiting embodiments or aspects, low-band omnidirectional antenna 702-22 may be configured to transmit and/or receive signals at a frequency below the gigahertz (GHz) frequencies (e.g., frequencies below the 1 GHz frequency). In some non-limiting embodiments or aspects, low-band omnidirectional antenna 702-22 may be configured to transmit one or more messages atone or more power levels. For example, low-band omnidirectional antenna 702-22 may be configured to transmit one or more messages at one or more power levels while safety device 702 is in a transmit state and/or while safety device 702 is not in a transmit state.
First omnidirectional antenna 702-24 may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34. For example, first omnidirectional antenna 702-24 may include an oriented dipole antenna, a discone antenna, a mast radiator, a horizontal loop antenna, and/or the like. In some non-limiting embodiments or aspects, first omnidirectional antenna 702-24 may be associated with a first radiation field. In some non-limiting embodiments or aspects, first omnidirectional antenna 702-24 may be supported by one or more of safety device 702 such that the first radiation field associated with first omnidirectional antenna 702-24 does not correspond (e.g., completely, partially, and/or the like) to the second radiation field associated with second omnidirectional antenna 702-26. In some non-limiting embodiments or aspects, first omnidirectional antenna 702-24 may be configured to transmit one or more messages at one or more power levels. For example, first omnidirectional antenna 702-24 may be configured to transmit one or more messages at one or more power levels while safety device 702 is in a transmit state and/or while safety device 702 is not in a transmit state.
Second omnidirectional antenna 702-26 may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34. For example, second omnidirectional antenna 702-26 may include an oriented dipole antenna, a discone antenna, a mast radiator, a horizontal loop antenna, and/or the like. In some non-limiting embodiments or aspects, second omnidirectional antenna 702-26 may be associated with a second radiation field. In some non-limiting embodiments or aspects, second omnidirectional antenna 702-26 may be supported by one or more of safety device 702 such that the second radiation field associated with first omnidirectional antenna 702-24 does not correspond (e.g., completely, partially, and/or the like) to the first radiation field associated with first omnidirectional antenna 702-24. In some non-limiting embodiments or aspects, second omnidirectional antenna 702-26 may be configured to transmit one or more messages at one or more power levels. For example, second omnidirectional antenna 702-26 may be configured to transmit one or more messages at one or more power levels while safety device 702 is in a transmit state and/or while safety device 702 is not in a transmit state.
Directional antenna 702-28 may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34. For example, directional antenna 702-28 may include a patch antenna, a panel antenna, and/or the like. In some non-limiting embodiments or aspects, directional antenna 702-28 may be aligned with thermal imager 702-32. For example, a boresight of directional antenna 702-28 may be aligned (e.g., may run parallel to, may run in fixed relation to, and/or the like) with an optical axis of thermal imager 702-32. Directional antenna 702-28 may include a circuit board that extends along a second plane associated with (e.g., defined by) an axis X′-Y′. In some non-limiting embodiments or aspects, the first plane and the second plane may intersect at an angle of ±Θ° from the first plane to the second plane, wherein Θ is in a range of about 0 to 90. In some non-limiting embodiments or aspects, the boresight of directional antenna 702-28 may be orthogonal to the second plane.
Thermal imager 702-32, may include one or more electrical components and/or one or more devices capable of being in communication with processor 702-34. For example, thermal imager 702-32 may include a short wavelength infrared imager, a mid-wavelength infrared imager, a long wavelength infrared imager, and/or the like. In some non-limiting embodiments or aspects, thermal imager 702-32 may be supported by outer housing 702-2 and/or power source housing 702-30. Additionally, or alternatively, thermal imager 702-32 may be supported by directional antenna 702-28 (e.g., by a circuit board of directional antenna 702-28). In some non-limiting embodiments or aspects, thermal imager 702-32 may be aligned with directional antenna 702-28. For example, an optical axis of thermal imager 702-32 may be aligned (e.g., may run parallel to, may run in fixed relation to, and/or the like) with a boresight of directional antenna 702-28. In some non-limiting embodiments or aspects, the optical axis of thermal imager 702-32 may be orthogonal to the second plane. In some non-limiting embodiments or aspects, the optical axis of thermal imager 702-32 may be aligned with the boresight of directional antenna 702-28 such that a center portion of a field of view associated with thermal imager 702-32 intersects the boresight of the one or more directional antennae 702-28. See
Processor 702-34 may include one or more electrical components and/or one or more devices capable of being in communication with input components 702-4, display device 702-6, audio output device 702-8, PCB 702-10, GPS receiver 702-12, GPS antenna 702-14, second board 702-16, ranging microprocessor 702-18, ranging transceiver 702-20, low-band omnidirectional antenna 702-22, first omnidirectional antenna 702-24, second omnidirectional antenna 702-26, directional antenna 702-28, power source housing 702-30, thermal imager 702-32, and memory 702-36. For example, processor 702-34 may be the same as or similar to processor 204 as described herein.
Memory 702-36 may include one or more electrical components and/or one or more devices capable of being in communication with input component 702-4, display device 702-6, audio output device 702-8, PCB 702-10, GPS receiver 702-12, GPS antenna 702-14, low-band omnidirectional antenna 702-22, first omnidirectional antenna 702-24, second omnidirectional antenna 702-26, directional antenna 702-28, thermal imager 702-32, and/or processor 702-34. For example, memory 702-36 may be the same as or similar to memory 206 as described herein.
Some non-limiting embodiments of the present disclosure are described herein in connection with a threshold. As described herein, satisfying a threshold may refer to a value being greater than the threshold, more than the threshold, higher than the threshold, greater than or equal to the threshold, less than the threshold, fewer than the threshold, lower than the threshold, less than or equal to the threshold, equal to the threshold, and/or the like.
Although the above methods, systems, and computer program products have been described in detail for the purpose of illustration based on what is currently considered to be the most practical and preferred embodiments or aspects, it is to be understood that such detail is solely for that purpose and that the present disclosure is not limited to the described embodiments or aspects but, on the contrary, is intended to cover modifications and equivalent arrangements that are within the spirit and scope of the appended claims. For example, it is to be understood that the present disclosure contemplates that, to the extent possible, one or more features of any embodiment or aspect can be combined with one or more features of any other embodiment or aspect.
The present application is a continuation application of U.S. patent application Ser. No. 16/818,124, filed on Mar. 13, 2020, which claims priority to U.S. Provisional Application No. 62/818,831, filed on Mar. 15, 2019, both of which are hereby incorporated by reference in their entireties.
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| 20220260704 A1 | Aug 2022 | US |
| Number | Date | Country | |
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| 62818831 | Mar 2019 | US |
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| Parent | 16818124 | Mar 2020 | US |
| Child | 17729665 | US |
